# opentools.dev

> A directory of open-source, self-hostable apps and the free alternatives they offer to paid software. Each app page lists the license, GitHub stars, release and commit activity, the paid products it replaces, similar apps and how to self-host it. Available in English, German (/de/), French (/fr/) and Spanish (/es/).

App data: awesome-selfhosted (CC BY-SA 3.0). Stars and activity: GitHub.

## Guides
- [Self-hosted ChatGPT alternatives: chat UIs you run yourself](https://opentools.dev/guides/chatgpt-alternatives-self-hosted/): Open WebUI, LibreChat, LobeHub and AnythingLLM compared: run a ChatGPT-style chat with your own API keys or local models via Ollama, and what that costs.
- [Self-hosted Dropbox alternatives: 6 open-source options](https://opentools.dev/guides/dropbox-alternatives/): Nextcloud, Seafile, OpenCloud, Syncthing, Pydio Cells and FileBrowser Quantum compared: sync clients, office editing and how much server each one needs.
- [Self-hosted Google Analytics alternatives (GDPR-friendly)](https://opentools.dev/guides/google-analytics-alternatives/): Matomo, Plausible, Umami, GoatCounter and Rybbit compared: cookies and consent, features, and how much server each open-source analytics tool needs.
- [Best self-hosted Google Photos alternatives (2026)](https://opentools.dev/guides/google-photos-alternatives/): Immich, PhotoPrism, Ente, LibrePhotos, Lychee and PiGallery2 compared: mobile backup, face recognition, hardware needs and who each one is for.
- [How to self-host n8n with Docker Compose (2026 guide)](https://opentools.dev/guides/how-to-self-host-n8n/): Step by step: run n8n with Docker Compose and Traefik for HTTPS, set N8N_ENCRYPTION_KEY and the webhook URL, back up the right data and update safely.
- [Nextcloud vs OpenCloud vs Seafile: which file cloud to host?](https://opentools.dev/guides/nextcloud-vs-opencloud-vs-seafile/): Nextcloud, OpenCloud and Seafile side by side: architecture, how files are stored, office editing, mobile apps, server needs and licenses, with a clear pick.
- [Open-source Notion alternatives you can self-host](https://opentools.dev/guides/notion-alternatives/): Docmost, AppFlowy, AFFiNE, Outline, SiYuan, BookStack and Wiki.js compared, with honest notes on licenses, paid tiers and what each one does well.
- [Self-hosted password managers: Vaultwarden, Passbolt and more](https://opentools.dev/guides/self-hosted-password-managers/): Vaultwarden, Passbolt, Psono and KeePass setups compared: who each one is for, what it needs to run and how to keep your vault safe with backups and 2FA.
- [Self-hosting for beginners: what it is and how to start](https://opentools.dev/guides/self-hosting-for-beginners/): What self-hosting means, why people run their own apps, the three ways to do it, what you need to know about backups and updates, and good first apps.
- [Self-hosted Zapier alternatives: n8n, Activepieces and more](https://opentools.dev/guides/zapier-alternatives/): n8n, Activepieces, Node-RED, Huginn, Automatisch and Kestra compared as self-hosted Zapier alternatives, including what their licenses really allow.

## Alternatives to paid products
- [Open-source alternatives to 1Password](https://opentools.dev/alternatives/1password/): Vaultwarden, Bitwarden, Passbolt, Psono, AliasVault
- [Open-source alternatives to Acuity Scheduling](https://opentools.dev/alternatives/acuity-scheduling/): Easy!Appointments, Cal.diy
- [Open-source alternatives to Adobe Acrobat](https://opentools.dev/alternatives/adobe-acrobat/): Stirling-PDF, BentoPDF, PdfDing
- [Open-source alternatives to Adobe Acrobat Sign](https://opentools.dev/alternatives/adobe-sign/): Docuseal, Documenso, OpenSign, Signature PDF
- [Open-source alternatives to Adobe Analytics](https://opentools.dev/alternatives/adobe-analytics/): Matomo, PostHog, Countly Community Edition
- [Open-source alternatives to Adobe Commerce](https://opentools.dev/alternatives/adobe-commerce/): Magento Open Source, Sylius, Shopware Community Edition, PrestaShop
- [Open-source alternatives to Airtable](https://opentools.dev/alternatives/airtable/): Baserow, NocoDB, Grist, Mathesar
- [Open-source alternatives to Algolia](https://opentools.dev/alternatives/algolia/): MeiliSearch, Typesense, Manticore Search, OpenSearch
- [Open-source alternatives to Amazon Kindle](https://opentools.dev/alternatives/kindle/): Calibre Web, Calibre, Kavita, Calibre Web Automated, Komga
- [Open-source alternatives to Amazon Photos](https://opentools.dev/alternatives/amazon-photos/): Immich, Ente, PhotoPrism, LibrePhotos
- [Open-source alternatives to Amazon S3](https://opentools.dev/alternatives/amazon-s3/): SeaweedFS, GarageHQ, Zenko CloudServer
- [Open-source alternatives to Amplitude](https://opentools.dev/alternatives/amplitude/): PostHog, Countly Community Edition
- [Open-source alternatives to Ancestry](https://opentools.dev/alternatives/ancestry/): webtrees, Gramps Web, GeneWeb
- [Open-source alternatives to AnyDesk](https://opentools.dev/alternatives/anydesk/): MeshCentral, Guacamole
- [Open-source alternatives to Apigee](https://opentools.dev/alternatives/apigee/): Kong, Tyk, Fusio, Lura
- [Open-source alternatives to Apple Home](https://opentools.dev/alternatives/apple-home/): Home Assistant, openHAB, Domoticz
- [Open-source alternatives to Apple Music](https://opentools.dev/alternatives/apple-music/): Navidrome Music Server, koel, Funkwhale, Ampache, SwingMusic
- [Open-source alternatives to Apple Notes](https://opentools.dev/alternatives/apple-notes/): Joplin, Memos, Standard Notes, flatnotes
- [Open-source alternatives to Arlo](https://opentools.dev/alternatives/arlo/): Frigate, Zoneminder, motionEye, Viseron
- [Open-source alternatives to Asana](https://opentools.dev/alternatives/asana/): Plane, OpenProject, Leantime, Huly, Vikunja
- [Open-source alternatives to Audible](https://opentools.dev/alternatives/audible/): Audiobookshelf, Audioserve
- [Open-source alternatives to Azure DevOps](https://opentools.dev/alternatives/azure-devops/): GitLab, OneDev, Forgejo, Gitea
- [Open-source alternatives to BambooHR](https://opentools.dev/alternatives/bamboohr/): Frappe HR, MintHCM, Odoo
- [Open-source alternatives to Basecamp](https://opentools.dev/alternatives/basecamp/): OpenProject, Leantime, Huly, Plane
- [Open-source alternatives to beehiiv](https://opentools.dev/alternatives/beehiiv/): Ghost, Listmonk, Keila
- [Open-source alternatives to BigCommerce](https://opentools.dev/alternatives/bigcommerce/): PrestaShop, Saleor, MedusaJs, Sylius, OpenCart
- [Open-source alternatives to Bitbucket](https://opentools.dev/alternatives/bitbucket/): Forgejo, Gitea, GitLab, Gogs, OneDev
- [Open-source alternatives to Bitly](https://opentools.dev/alternatives/bitly/): YOURLS, Kutt, Shlink, Chhoto URL
- [Open-source alternatives to BitPay](https://opentools.dev/alternatives/bitpay/): BTCPay Server, Bitcart, SHKeeper
- [Open-source alternatives to Bitwarden cloud](https://opentools.dev/alternatives/bitwarden-cloud/): Vaultwarden, Bitwarden, Passbolt, Psono
- [Open-source alternatives to Blackboard Learn](https://opentools.dev/alternatives/blackboard/): Moodle, Canvas LMS, ILIAS, OpenOLAT, Chamilo LMS
- [Open-source alternatives to Blogger](https://opentools.dev/alternatives/blogger/): WordPress, Ghost, WriteFreely, Bludit
- [Open-source alternatives to Box](https://opentools.dev/alternatives/box/): Nextcloud, Seafile, OpenCloud, ownCloud, Pydio
- [Open-source alternatives to Braze](https://opentools.dev/alternatives/braze/): Dittofeed, Mautic
- [Open-source alternatives to Brevo](https://opentools.dev/alternatives/brevo/): Keila, Listmonk, Mautic, Dittofeed
- [Open-source alternatives to Buffer](https://opentools.dev/alternatives/buffer/): Postiz, Socioboard
- [Open-source alternatives to Bugsnag](https://opentools.dev/alternatives/bugsnag/): GlitchTip, Bugsink, Sentry Self-Hosted
- [Open-source alternatives to Calendly](https://opentools.dev/alternatives/calendly/): Cal.diy, Easy!Appointments, Rallly
- [Open-source alternatives to Canny](https://opentools.dev/alternatives/canny/): Fider, ClearFlask
- [Open-source alternatives to Chargebee](https://opentools.dev/alternatives/chargebee/): Lago, Kill Bill
- [Open-source alternatives to ChatGPT](https://opentools.dev/alternatives/chatgpt/): Open-WebUI, LibreChat, AnythingLLM, LobeHub, Ollama
- [Open-source alternatives to Circle](https://opentools.dev/alternatives/circle/): Discourse, HumHub, Flarum, NodeBB
- [Open-source alternatives to ClickUp](https://opentools.dev/alternatives/clickup/): Plane, Huly, AppFlowy, OpenProject, Leantime
- [Open-source alternatives to Clockify](https://opentools.dev/alternatives/clockify/): Kimai, solidtime, Traggo, TimeTagger
- [Open-source alternatives to CloudConvert](https://opentools.dev/alternatives/cloudconvert/): ConvertX, Transmute, SnapOtter
- [Open-source alternatives to Cloudflare Tunnel](https://opentools.dev/alternatives/cloudflare-tunnel/): Pangolin, sish
- [Open-source alternatives to Cloudflare WAF](https://opentools.dev/alternatives/cloudflare-waf/): SafeLine, BunkerWeb, UUSEC WAF
- [Open-source alternatives to Cloudinary](https://opentools.dev/alternatives/cloudinary/): imgproxy, Thumbor, imagor, Flyimg
- [Open-source alternatives to Coinbase Commerce](https://opentools.dev/alternatives/coinbase-commerce/): BTCPay Server, Bitcart, SHKeeper
- [Open-source alternatives to Comixology](https://opentools.dev/alternatives/comixology/): Komga, Kavita, Stump
- [Open-source alternatives to Confluence](https://opentools.dev/alternatives/confluence/): BookStack, Wiki.js, docmost Community Edition, Outline, XWiki
- [Open-source alternatives to Contentful](https://opentools.dev/alternatives/contentful/): Strapi, Payload CMS, Directus, KeystoneJS, Squidex
- [Open-source alternatives to Crowdin](https://opentools.dev/alternatives/crowdin/): Weblate, Tolgee, Traduora, Accent
- [Open-source alternatives to Customer.io](https://opentools.dev/alternatives/customer-io/): Dittofeed, Mautic
- [Open-source alternatives to Dashlane](https://opentools.dev/alternatives/dashlane/): Vaultwarden, Bitwarden, Passbolt, Psono
- [Open-source alternatives to DataGrip](https://opentools.dev/alternatives/datagrip/): CloudBeaver, LibreDB Studio, Adminer
- [Open-source alternatives to dbdiagram.io](https://opentools.dev/alternatives/dbdiagram/): ChartDB, Azimutt
- [Open-source alternatives to Diigo](https://opentools.dev/alternatives/diigo/): LinkWarden, Karakeep, Shaarli, linkding
- [Open-source alternatives to Discord](https://opentools.dev/alternatives/discord/): Fluxer, Stoat, Element, Rocket.Chat, Mumble
- [Open-source alternatives to Disqus](https://opentools.dev/alternatives/disqus/): remark42, Isso, Artalk, Coral
- [Open-source alternatives to Docker Hub](https://opentools.dev/alternatives/docker-hub/): Harbor, ZOT OCI Registry
- [Open-source alternatives to DocuSign](https://opentools.dev/alternatives/docusign/): Docuseal, Documenso, OpenSign, Signature PDF
- [Open-source alternatives to Doodle](https://opentools.dev/alternatives/doodle/): Rallly, Framadate, Bitpoll
- [Open-source alternatives to Dropbox](https://opentools.dev/alternatives/dropbox/): Nextcloud, Seafile, Syncthing, OpenCloud, ownCloud
- [Open-source alternatives to Dropbox Paper](https://opentools.dev/alternatives/dropbox-paper/): Etherpad, HedgeDoc, CryptPad, Docs
- [Open-source alternatives to Dropbox Sign](https://opentools.dev/alternatives/dropbox-sign/): Docuseal, Documenso, OpenSign
- [Open-source alternatives to Elastic Cloud](https://opentools.dev/alternatives/elastic-cloud/): OpenSearch, MeiliSearch, Typesense, Manticore Search
- [Open-source alternatives to Emby](https://opentools.dev/alternatives/emby/): Jellyfin, Kyoo, Kodi
- [Open-source alternatives to Empower Personal Dashboard](https://opentools.dev/alternatives/empower/): Ghostfolio, Sure
- [Open-source alternatives to Eventbrite](https://opentools.dev/alternatives/eventbrite/): Pretix, Hi.Events, Alf.io, Gancio, Mobilizon
- [Open-source alternatives to Evernote](https://opentools.dev/alternatives/evernote/): Joplin, TriliumNext Notes, Memos, Standard Notes, SiYuan
- [Open-source alternatives to Facebook](https://opentools.dev/alternatives/facebook/): Friendica, diaspora*, Hubzilla, HumHub
- [Open-source alternatives to Facebook Groups](https://opentools.dev/alternatives/facebook-groups/): HumHub, Discourse, Flarum, NodeBB
- [Open-source alternatives to Fastmail](https://opentools.dev/alternatives/fastmail/): Stalwart Mail Server, Mailcow, Mail-in-a-Box, Mailu, Mox
- [Open-source alternatives to Feedly](https://opentools.dev/alternatives/feedly/): FreshRSS, Miniflux, Tiny Tiny RSS, CommaFeed, NewsBlur
- [Open-source alternatives to Firebase](https://opentools.dev/alternatives/firebase/): Appwrite, PocketBase, TrailBase, Manifest
- [Open-source alternatives to Firebase Remote Config](https://opentools.dev/alternatives/firebase-remote-config/): Flagsmith, Nona, GO Feature Flag
- [Open-source alternatives to Flickr](https://opentools.dev/alternatives/flickr/): PixelFed, Lychee, Piwigo, Chevereto, PhotoPrism
- [Open-source alternatives to FreshBooks](https://opentools.dev/alternatives/freshbooks/): Invoice Ninja, InvoicePlane, InvoiceShelf, SolidInvoice, Akaunting
- [Open-source alternatives to Freshdesk](https://opentools.dev/alternatives/freshdesk/): Zammad, FreeScout, Frappe Helpdesk, Libredesk
- [Open-source alternatives to GitBook](https://opentools.dev/alternatives/gitbook/): Wiki.js, BookStack, Outline, docmost Community Edition, Raneto
- [Open-source alternatives to GitHub](https://opentools.dev/alternatives/github/): Forgejo, Gitea, GitLab, Gogs, OneDev
- [Open-source alternatives to GitHub Codespaces](https://opentools.dev/alternatives/github-codespaces/): code-server, Coder, Eclipse Che
- [Open-source alternatives to GitHub Gist](https://opentools.dev/alternatives/github-gist/): Opengist, ByteStash, PrivateBin, Pastefy
- [Open-source alternatives to GitLab.com](https://opentools.dev/alternatives/gitlab-com/): GitLab, Forgejo, Gitea, OneDev, Gogs
- [Open-source alternatives to Gitpod](https://opentools.dev/alternatives/gitpod/): Coder, Eclipse Che, code-server
- [Open-source alternatives to Gitter](https://opentools.dev/alternatives/gitter/): Rocket.Chat, Element, Zulip
- [Open-source alternatives to Glean](https://opentools.dev/alternatives/glean/): Onyx Community Edition, AnythingLLM, Khoj
- [Open-source alternatives to Gmail](https://opentools.dev/alternatives/gmail/): Mailcow, Stalwart Mail Server, Mail-in-a-Box, Mailu, docker-mailserver
- [Open-source alternatives to Goodreads](https://opentools.dev/alternatives/goodreads/): Jelu, BookLogr, ryot, Bookwyrm
- [Open-source alternatives to Google Analytics](https://opentools.dev/alternatives/google-analytics/): Matomo, Plausible Analytics, Umami, PostHog, Rybbit
- [Open-source alternatives to Google Calendar](https://opentools.dev/alternatives/google-calendar/): Nextcloud, Radicale, Baïkal, SOGo, Davis
- [Open-source alternatives to Google Classroom](https://opentools.dev/alternatives/google-classroom/): Moodle, Canvas LMS, Chamilo LMS, ILIAS
- [Open-source alternatives to Google Contacts](https://opentools.dev/alternatives/google-contacts/): Nextcloud, Radicale, Baïkal, Davis
- [Open-source alternatives to Google Docs](https://opentools.dev/alternatives/google-docs/): ONLYOFFICE, Collabora Online Development Edition, CryptPad, Etherpad, Docs
- [Open-source alternatives to Google Drive](https://opentools.dev/alternatives/google-drive/): Nextcloud, Seafile, OpenCloud, ownCloud, Cloudreve
- [Open-source alternatives to Google Forms](https://opentools.dev/alternatives/google-forms/): OpnForm, HeyForm, Formbricks, LimeSurvey
- [Open-source alternatives to Google Groups](https://opentools.dev/alternatives/google-groups/): Mailman, Sympa, Discourse, mlmmj
- [Open-source alternatives to Google Home](https://opentools.dev/alternatives/google-home/): Home Assistant, openHAB, ioBroker, Domoticz
- [Open-source alternatives to Google Keep](https://opentools.dev/alternatives/google-keep/): Memos, Blinko, Joplin, flatnotes, Jotty
- [Open-source alternatives to Google Maps Timeline](https://opentools.dev/alternatives/google-maps-timeline/): Dawarich, OwnTracks Recorder
- [Open-source alternatives to Google Meet](https://opentools.dev/alternatives/google-meet/): Jitsi Meet, BigBlueButton, MiroTalk P2P, MiroTalk SFU, Galene
- [Open-source alternatives to Google Nest Aware](https://opentools.dev/alternatives/nest-aware/): Frigate, Zoneminder, Viseron, motionEye
- [Open-source alternatives to Google Photos](https://opentools.dev/alternatives/google-photos/): Immich, Ente, PhotoPrism, LibrePhotos, Photoview
- [Open-source alternatives to Google Search](https://opentools.dev/alternatives/google-search/): SearXNG, Yacy, Websurfx
- [Open-source alternatives to Google Sheets](https://opentools.dev/alternatives/google-sheets/): Grist, ONLYOFFICE, Collabora Online Development Edition, CryptPad
- [Open-source alternatives to Google Slides](https://opentools.dev/alternatives/google-slides/): ONLYOFFICE, Collabora Online Development Edition, CryptPad, revealjs
- [Open-source alternatives to Google Workspace](https://opentools.dev/alternatives/google-workspace/): Nextcloud, ONLYOFFICE, Collabora Online Development Edition, CryptPad, egroupware
- [Open-source alternatives to GoTo Meeting](https://opentools.dev/alternatives/gotomeeting/): Jitsi Meet, BigBlueButton, MiroTalk SFU
- [Open-source alternatives to Gyazo](https://opentools.dev/alternatives/gyazo/): Zipline, XBackBone, Chibisafe
- [Open-source alternatives to HackMD](https://opentools.dev/alternatives/hackmd/): HedgeDoc, Etherpad, CryptPad
- [Open-source alternatives to Harvest](https://opentools.dev/alternatives/harvest/): Kimai, solidtime, Ever Gauzy
- [Open-source alternatives to Help Scout](https://opentools.dev/alternatives/help-scout/): FreeScout, Zammad, Libredesk
- [Open-source alternatives to Hide My Email](https://opentools.dev/alternatives/apple-hide-my-email/): SimpleLogin, AnonAddy
- [Open-source alternatives to Hootsuite](https://opentools.dev/alternatives/hootsuite/): Postiz, Socioboard
- [Open-source alternatives to HubSpot CRM](https://opentools.dev/alternatives/hubspot-crm/): Twenty, EspoCRM, SuiteCRM, Krayin, Erxes
- [Open-source alternatives to HubSpot Marketing Hub](https://opentools.dev/alternatives/hubspot-marketing/): Mautic, Dittofeed, Listmonk
- [Open-source alternatives to iCloud Drive](https://opentools.dev/alternatives/icloud-drive/): Nextcloud, Seafile, Syncthing, OpenCloud, ownCloud
- [Open-source alternatives to iCloud Photos](https://opentools.dev/alternatives/icloud-photos/): Immich, Ente, PhotoPrism, LibrePhotos, Photoview
- [Open-source alternatives to IFTTT](https://opentools.dev/alternatives/ifttt/): Activepieces, n8n, Huginn, Node RED, Automatisch
- [Open-source alternatives to iLovePDF](https://opentools.dev/alternatives/ilovepdf/): Stirling-PDF, BentoPDF, SnapOtter
- [Open-source alternatives to imgix](https://opentools.dev/alternatives/imgix/): imgproxy, Thumbor, imagor, Flyimg
- [Open-source alternatives to Imgur](https://opentools.dev/alternatives/imgur/): Chibisafe, Zipline, Picsur, XBackBone, PictShare
- [Open-source alternatives to Inoreader](https://opentools.dev/alternatives/inoreader/): FreshRSS, Miniflux, NewsBlur, CommaFeed
- [Open-source alternatives to Instapaper](https://opentools.dev/alternatives/instapaper/): Wallabag, Readeck, Karakeep, Shiori
- [Open-source alternatives to Intercom](https://opentools.dev/alternatives/intercom/): Chatwoot, Tiledesk, Live Helper Chat
- [Open-source alternatives to Jira](https://opentools.dev/alternatives/jira/): Plane, OpenProject, Huly, Taiga, Redmine
- [Open-source alternatives to Jira Service Management](https://opentools.dev/alternatives/jira-service-management/): Zammad, OTOBO, Request Tracker, Frappe Helpdesk, ITFlow
- [Open-source alternatives to Jotform](https://opentools.dev/alternatives/jotform/): OpnForm, HeyForm, Formbricks, LimeSurvey
- [Open-source alternatives to Kahoot!](https://opentools.dev/alternatives/kahoot/): Razzia, Claper
- [Open-source alternatives to Keeper](https://opentools.dev/alternatives/keeper/): Vaultwarden, Bitwarden, Passbolt, Psono
- [Open-source alternatives to Kit](https://opentools.dev/alternatives/kit/): Listmonk, Keila, Mautic, Ghost
- [Open-source alternatives to Landbot](https://opentools.dev/alternatives/landbot/): Typebot, Tiledesk
- [Open-source alternatives to LangSmith](https://opentools.dev/alternatives/langsmith/): Langfuse, Opik, Agenta
- [Open-source alternatives to LastPass](https://opentools.dev/alternatives/lastpass/): Vaultwarden, Bitwarden, Passbolt, Psono, AliasVault
- [Open-source alternatives to LaunchDarkly](https://opentools.dev/alternatives/launchdarkly/): Flagsmith, Flipt, GO Feature Flag, Featbit, PostHog
- [Open-source alternatives to Letterboxd](https://opentools.dev/alternatives/letterboxd/): Movary, Yamtrack, Watcharr, ryot, Ratelog
- [Open-source alternatives to Life360](https://opentools.dev/alternatives/life360/): Traccar, OwnTracks Recorder, Dawarich
- [Open-source alternatives to Linear](https://opentools.dev/alternatives/linear/): Plane, Huly, Kaneo
- [Open-source alternatives to Linktree](https://opentools.dev/alternatives/linktree/): LinkStack, LittleLink
- [Open-source alternatives to LiveChat](https://opentools.dev/alternatives/livechat/): Chatwoot, Live Helper Chat, Tiledesk
- [Open-source alternatives to Lokalise](https://opentools.dev/alternatives/lokalise/): Weblate, Tolgee, Traduora, Accent
- [Open-source alternatives to Looker](https://opentools.dev/alternatives/looker/): Superset, Metabase, Redash, Evidence
- [Open-source alternatives to Looker Studio](https://opentools.dev/alternatives/looker-studio/): Metabase, Superset, Redash, Chartbrew
- [Open-source alternatives to Mailchimp](https://opentools.dev/alternatives/mailchimp/): Listmonk, Mautic, Keila, phpList, Dittofeed
- [Open-source alternatives to Make](https://opentools.dev/alternatives/make/): Activepieces, n8n, Node RED, Automatisch, Huginn
- [Open-source alternatives to Mapbox](https://opentools.dev/alternatives/mapbox/): TileServer GL, Nominatim, GraphHopper, OpenRouteService, Open Source Routing Machine (OSRM)
- [Open-source alternatives to Medium](https://opentools.dev/alternatives/medium/): Ghost, WriteFreely, WordPress
- [Open-source alternatives to Meetup](https://opentools.dev/alternatives/meetup/): Mobilizon, Gancio, gathio
- [Open-source alternatives to Microsoft 365](https://opentools.dev/alternatives/microsoft-365/): Nextcloud, ONLYOFFICE, Collabora Online Development Edition, CryptPad, egroupware
- [Open-source alternatives to Microsoft Excel](https://opentools.dev/alternatives/microsoft-excel/): ONLYOFFICE, Collabora Online Development Edition, Grist, CryptPad
- [Open-source alternatives to Microsoft Exchange](https://opentools.dev/alternatives/microsoft-exchange/): SOGo, Zimbra Collaboration, egroupware, Stalwart Mail Server, Group Office
- [Open-source alternatives to Microsoft Forms](https://opentools.dev/alternatives/microsoft-forms/): OpnForm, HeyForm, Formbricks, LimeSurvey
- [Open-source alternatives to Microsoft OneDrive](https://opentools.dev/alternatives/onedrive/): Nextcloud, Seafile, OpenCloud, ownCloud, Cloudreve
- [Open-source alternatives to Microsoft OneNote](https://opentools.dev/alternatives/onenote/): Joplin, TriliumNext Notes, SiYuan, Standard Notes
- [Open-source alternatives to Microsoft Power Automate](https://opentools.dev/alternatives/power-automate/): Activepieces, n8n, Node RED, Automatisch
- [Open-source alternatives to Microsoft Power BI](https://opentools.dev/alternatives/power-bi/): Superset, Metabase, Redash, Evidence
- [Open-source alternatives to Microsoft PowerPoint](https://opentools.dev/alternatives/microsoft-powerpoint/): ONLYOFFICE, Collabora Online Development Edition, revealjs
- [Open-source alternatives to Microsoft Project](https://opentools.dev/alternatives/microsoft-project/): OpenProject, ProjeQtOr, Leantime
- [Open-source alternatives to Microsoft SharePoint](https://opentools.dev/alternatives/sharepoint/): Nextcloud, Seafile, Alfresco Community Edition, XWiki
- [Open-source alternatives to Microsoft Teams](https://opentools.dev/alternatives/microsoft-teams/): Rocket.Chat, Mattermost, Zulip, Element, Jitsi Meet
- [Open-source alternatives to Microsoft To Do](https://opentools.dev/alternatives/microsoft-to-do/): Vikunja, Super Productivity, tududi, myTinyTodo
- [Open-source alternatives to Microsoft Word](https://opentools.dev/alternatives/microsoft-word/): ONLYOFFICE, Collabora Online Development Edition, CryptPad, Docs
- [Open-source alternatives to MindMeister](https://opentools.dev/alternatives/mindmeister/): TeamMapper, Digimindmap
- [Open-source alternatives to Minecraft Realms](https://opentools.dev/alternatives/minecraft-realms/): Crafty Controller, Pterodactyl, Pelican Panel, PufferPanel, auto-mcs
- [Open-source alternatives to Mint](https://opentools.dev/alternatives/mint/): Actual, Firefly III, Sure, ezbookkeeping, Budget Board
- [Open-source alternatives to Miro](https://opentools.dev/alternatives/miro/): WBO, CryptPad, draw.io
- [Open-source alternatives to Mixpanel](https://opentools.dev/alternatives/mixpanel/): PostHog, Countly Community Edition, Aptabase
- [Open-source alternatives to Monarch Money](https://opentools.dev/alternatives/monarch-money/): Sure, Actual, Firefly III
- [Open-source alternatives to monday.com](https://opentools.dev/alternatives/monday/): Plane, OpenProject, Leantime, Huly, Paca
- [Open-source alternatives to MyFitnessPal](https://opentools.dev/alternatives/myfitnesspal/): NutriTrace, wger
- [Open-source alternatives to MyHeritage](https://opentools.dev/alternatives/myheritage/): webtrees, Gramps Web, GeneWeb
- [Open-source alternatives to Netflix](https://opentools.dev/alternatives/netflix/): Jellyfin, Kyoo, Kodi
- [Open-source alternatives to NetSuite](https://opentools.dev/alternatives/netsuite/): Odoo, ERPNext, Dolibarr, Tryton
- [Open-source alternatives to NextDNS](https://opentools.dev/alternatives/nextdns/): AdGuard Home, Pi-hole, Technitium DNS Server, blocky, Numa
- [Open-source alternatives to ngrok](https://opentools.dev/alternatives/ngrok/): sish, Pangolin
- [Open-source alternatives to Nitrado](https://opentools.dev/alternatives/nitrado/): Pterodactyl, Pelican Panel, PufferPanel, LinuxGSM
- [Open-source alternatives to NotebookLM](https://opentools.dev/alternatives/notebooklm/): Khoj, AnythingLLM, Onyx Community Edition
- [Open-source alternatives to Notion](https://opentools.dev/alternatives/notion/): AppFlowy, docmost Community Edition, SiYuan, Docs, Outline
- [Open-source alternatives to Obsidian Sync](https://opentools.dev/alternatives/obsidian-sync/): Syncthing, Nextcloud, Seafile
- [Open-source alternatives to OpenAI API](https://opentools.dev/alternatives/openai-api/): Ollama, LocalAI
- [Open-source alternatives to Outlook.com](https://opentools.dev/alternatives/outlook/): Mailcow, Stalwart Mail Server, Mail-in-a-Box, Mailu, Roundcube
- [Open-source alternatives to OutSystems](https://opentools.dev/alternatives/outsystems/): Budibase, Appsmith, ToolJet, Saltcorn
- [Open-source alternatives to PandaDoc](https://opentools.dev/alternatives/pandadoc/): Docuseal, Documenso, OpenSign
- [Open-source alternatives to Paprika](https://opentools.dev/alternatives/paprika/): Mealie, Tandoor Recipes, RecipeSage
- [Open-source alternatives to Pastebin](https://opentools.dev/alternatives/pastebin/): PrivateBin, Opengist, Wastebin, rustypaste, ByteStash
- [Open-source alternatives to Perplexity](https://opentools.dev/alternatives/perplexity/): Vane, Local Deep Research, Khoj
- [Open-source alternatives to Pipedrive](https://opentools.dev/alternatives/pipedrive/): Twenty, Krayin, EspoCRM, SuiteCRM
- [Open-source alternatives to Plex](https://opentools.dev/alternatives/plex/): Jellyfin, Kyoo, Kodi, Gerbera
- [Open-source alternatives to Pocket](https://opentools.dev/alternatives/pocket/): Wallabag, Karakeep, Readeck, LinkWarden, Shiori
- [Open-source alternatives to Pocket Casts](https://opentools.dev/alternatives/pocket-casts/): Audiobookshelf, Pinepods, PodFetch
- [Open-source alternatives to Privnote](https://opentools.dev/alternatives/privnote/): PrivateBin, Yopass, One Time Secret, Password Pusher, OTS
- [Open-source alternatives to Pushbullet](https://opentools.dev/alternatives/pushbullet/): ntfy, Gotify
- [Open-source alternatives to Pushover](https://opentools.dev/alternatives/pushover/): ntfy, Gotify, Apprise, PushBits
- [Open-source alternatives to Qualtrics](https://opentools.dev/alternatives/qualtrics/): LimeSurvey, Formbricks
- [Open-source alternatives to QuickBooks](https://opentools.dev/alternatives/quickbooks/): Bigcapital, Akaunting, LedgerSMB, Invoice Ninja, Dolibarr
- [Open-source alternatives to Radio.co](https://opentools.dev/alternatives/radio-co/): AzuraCast, LibreTime, Icecast 2
- [Open-source alternatives to Raindrop.io](https://opentools.dev/alternatives/raindrop/): Karakeep, LinkWarden, linkding, LinkAce, Shiori
- [Open-source alternatives to Readwise Reader](https://opentools.dev/alternatives/readwise-reader/): Readeck, Wallabag, Karakeep
- [Open-source alternatives to Reddit](https://opentools.dev/alternatives/reddit/): Lemmy, PieFed
- [Open-source alternatives to Resilio Sync](https://opentools.dev/alternatives/resilio-sync/): Syncthing, Unison, Seafile
- [Open-source alternatives to Restream](https://opentools.dev/alternatives/restream/): Restreamer, SRS
- [Open-source alternatives to Retool](https://opentools.dev/alternatives/retool/): Appsmith, ToolJet, Budibase, Saltcorn, Lowdefy
- [Open-source alternatives to Ring](https://opentools.dev/alternatives/ring/): Frigate, Zoneminder, motionEye, Viseron
- [Open-source alternatives to RingCentral](https://opentools.dev/alternatives/ringcentral/): Freepbx, Asterisk, FusionPBX, Wazo, FreeSWITCH
- [Open-source alternatives to Roam Research](https://opentools.dev/alternatives/roam-research/): SiYuan, TriliumNext Notes, SilverBullet
- [Open-source alternatives to Rollbar](https://opentools.dev/alternatives/rollbar/): GlitchTip, Bugsink, Sentry Self-Hosted
- [Open-source alternatives to RSS.app](https://opentools.dev/alternatives/rss-app/): RSSHub, RSS-Bridge
- [Open-source alternatives to Salesforce](https://opentools.dev/alternatives/salesforce/): Twenty, SuiteCRM, EspoCRM, Krayin, Odoo
- [Open-source alternatives to Samsung Food](https://opentools.dev/alternatives/samsung-food/): Mealie, Tandoor Recipes, RecipeSage, Recipya
- [Open-source alternatives to Sanity](https://opentools.dev/alternatives/sanity/): Strapi, Payload CMS, Directus, KeystoneJS, Squidex
- [Open-source alternatives to SAP Business One](https://opentools.dev/alternatives/sap-business-one/): Odoo, ERPNext, Dolibarr, Tryton, OFBiz
- [Open-source alternatives to Segment](https://opentools.dev/alternatives/segment/): RudderStack, PostHog
- [Open-source alternatives to Sentry](https://opentools.dev/alternatives/sentry/): GlitchTip, Sentry Self-Hosted, Bugsink, Rustrak, Telebugs
- [Open-source alternatives to Sessionize](https://opentools.dev/alternatives/sessionize/): pretalx, indico, osem
- [Open-source alternatives to Shopify](https://opentools.dev/alternatives/shopify/): WooCommerce, PrestaShop, MedusaJs, Saleor, Bagisto
- [Open-source alternatives to Skedda](https://opentools.dev/alternatives/skedda/): LibreBooking, Seatsurfing
- [Open-source alternatives to Slack](https://opentools.dev/alternatives/slack/): Rocket.Chat, Zulip, Mattermost, Element, Synapse
- [Open-source alternatives to Smallpdf](https://opentools.dev/alternatives/smallpdf/): Stirling-PDF, BentoPDF, SnapOtter
- [Open-source alternatives to Smartsheet](https://opentools.dev/alternatives/smartsheet/): Grist, NocoDB, Baserow, OpenProject
- [Open-source alternatives to SmartThings](https://opentools.dev/alternatives/smartthings/): Home Assistant, openHAB, Domoticz, ioBroker, Gladys
- [Open-source alternatives to SmugMug](https://opentools.dev/alternatives/smugmug/): Lychee, Piwigo, Chevereto, Zenphoto
- [Open-source alternatives to Sortly](https://opentools.dev/alternatives/sortly/): HomeBox (SysAdminsMedia), Inventree, Part-DB, grocy
- [Open-source alternatives to Speedtest by Ookla](https://opentools.dev/alternatives/speedtest/): Speed Test by OpenSpeedTest™, MySpeed
- [Open-source alternatives to Splitwise](https://opentools.dev/alternatives/splitwise/): IHateMoney, Family Accounting Tool
- [Open-source alternatives to Spotify](https://opentools.dev/alternatives/spotify/): Navidrome Music Server, koel, Funkwhale, Ampache, gonic
- [Open-source alternatives to Sprout Social](https://opentools.dev/alternatives/sprout-social/): Postiz, Socioboard
- [Open-source alternatives to Squarespace](https://opentools.dev/alternatives/squarespace/): WordPress, Ghost, Joomla!, Wagtail, Bludit
- [Open-source alternatives to Stack Overflow for Teams](https://opentools.dev/alternatives/stack-overflow-teams/): Answer, Scoold, qpixel
- [Open-source alternatives to start.me](https://opentools.dev/alternatives/start-me/): Homepage by gethomepage, Dashy, Homarr, Glance, Heimdall
- [Open-source alternatives to Strava](https://opentools.dev/alternatives/strava/): FitTrackee, Endurain
- [Open-source alternatives to Stripe Billing](https://opentools.dev/alternatives/stripe-billing/): Lago, Kill Bill
- [Open-source alternatives to Substack](https://opentools.dev/alternatives/substack/): Ghost, Listmonk, Keila, WriteFreely
- [Open-source alternatives to SurveyMonkey](https://opentools.dev/alternatives/surveymonkey/): LimeSurvey, Formbricks, HeyForm, OpnForm
- [Open-source alternatives to Tableau](https://opentools.dev/alternatives/tableau/): Superset, Metabase, Redash
- [Open-source alternatives to TablePlus](https://opentools.dev/alternatives/tableplus/): CloudBeaver, Adminer, LibreDB Studio
- [Open-source alternatives to tawk.to](https://opentools.dev/alternatives/tawk-to/): Chatwoot, Tiledesk, Live Helper Chat
- [Open-source alternatives to Teachable](https://opentools.dev/alternatives/teachable/): Canvas LMS, Chamilo LMS, Moodle, ILIAS, OpenOLAT
- [Open-source alternatives to TeamViewer](https://opentools.dev/alternatives/teamviewer/): MeshCentral, Guacamole
- [Open-source alternatives to Telegram](https://opentools.dev/alternatives/telegram/): SimpleX Chat, Element, Snikket, Databag
- [Open-source alternatives to Termius](https://opentools.dev/alternatives/termius/): Termix, Sshwifty, WeTTY
- [Open-source alternatives to Things 3](https://opentools.dev/alternatives/things/): Vikunja, Super Productivity, tududi
- [Open-source alternatives to Thinkific](https://opentools.dev/alternatives/thinkific/): Canvas LMS, Chamilo LMS, Moodle, OpenOLAT
- [Open-source alternatives to Threads](https://opentools.dev/alternatives/threads/): Mastodon, Misskey, GoToSocial, Akkoma
- [Open-source alternatives to Ticket Tailor](https://opentools.dev/alternatives/ticket-tailor/): Pretix, Hi.Events, Alf.io
- [Open-source alternatives to TickTick](https://opentools.dev/alternatives/ticktick/): Vikunja, Super Productivity, Will Be Done, tududi
- [Open-source alternatives to Tidio](https://opentools.dev/alternatives/tidio/): Chatwoot, Tiledesk, Typebot
- [Open-source alternatives to Todoist](https://opentools.dev/alternatives/todoist/): Vikunja, Super Productivity, tududi, Donetick, Will Be Done
- [Open-source alternatives to Toggl Track](https://opentools.dev/alternatives/toggl/): Kimai, solidtime, Traggo, TimeTagger
- [Open-source alternatives to Trakt](https://opentools.dev/alternatives/trakt/): Yamtrack, ryot, Watcharr, Movary
- [Open-source alternatives to Trello](https://opentools.dev/alternatives/trello/): Wekan, Kanboard, Vikunja, Kan, Planka
- [Open-source alternatives to TripIt](https://opentools.dev/alternatives/tripit/): AdventureLog, TRIP, Surmai
- [Open-source alternatives to Twilio Authy](https://opentools.dev/alternatives/authy/): 2FAuth, Zero-TOTP
- [Open-source alternatives to Twitch](https://opentools.dev/alternatives/twitch/): Owncast, PeerTube, Restreamer, OvenMediaEngine
- [Open-source alternatives to Typeform](https://opentools.dev/alternatives/typeform/): Formbricks, HeyForm, OpnForm, Typebot, LimeSurvey
- [Open-source alternatives to UserVoice](https://opentools.dev/alternatives/uservoice/): Fider, ClearFlask
- [Open-source alternatives to Vimeo](https://opentools.dev/alternatives/vimeo/): PeerTube, MediaCMS, ClipBucket
- [Open-source alternatives to Visualping](https://opentools.dev/alternatives/visualping/): changedetection.io, Kibitzr, Huginn
- [Open-source alternatives to WakaTime](https://opentools.dev/alternatives/wakatime/): Wakapi, Ziit
- [Open-source alternatives to Wanderlog](https://opentools.dev/alternatives/wanderlog/): AdventureLog, TRIP, Surmai
- [Open-source alternatives to Wave](https://opentools.dev/alternatives/wave/): InvoicePlane, InvoiceShelf, Invoice Ninja, Akaunting
- [Open-source alternatives to Webex](https://opentools.dev/alternatives/webex/): Jitsi Meet, BigBlueButton, Openmeetings, MiroTalk SFU
- [Open-source alternatives to Webhook.site](https://opentools.dev/alternatives/webhook-site/): WebHook Tester, Request Inbox
- [Open-source alternatives to WeTransfer](https://opentools.dev/alternatives/wetransfer/): Pingvin Share X, PsiTransfer, Gokapi, Plik, ProjectSend
- [Open-source alternatives to WhatsApp](https://opentools.dev/alternatives/whatsapp/): SimpleX Chat, Element, Snikket, Databag, Jami
- [Open-source alternatives to Wix](https://opentools.dev/alternatives/wix/): WordPress, Joomla!, Ghost, Bludit, WonderCMS
- [Open-source alternatives to WordPress.com](https://opentools.dev/alternatives/wordpress-com/): WordPress, Ghost, WriteFreely
- [Open-source alternatives to X (Twitter)](https://opentools.dev/alternatives/twitter/): Mastodon, Misskey, GoToSocial, Akkoma, Pleroma
- [Open-source alternatives to XenForo](https://opentools.dev/alternatives/xenforo/): Discourse, Flarum, NodeBB, phpBB, MyBB
- [Open-source alternatives to Xero](https://opentools.dev/alternatives/xero/): Bigcapital, Akaunting, LedgerSMB, Invoice Ninja
- [Open-source alternatives to YNAB](https://opentools.dev/alternatives/ynab/): Actual, Firefly III, OpenBudgeteer, Sure
- [Open-source alternatives to YouTrack](https://opentools.dev/alternatives/youtrack/): Plane, OpenProject, Redmine, Taiga
- [Open-source alternatives to YouTube](https://opentools.dev/alternatives/youtube/): PeerTube, MediaCMS, ClipBucket
- [Open-source alternatives to Zapier](https://opentools.dev/alternatives/zapier/): Activepieces, n8n, Automatisch, Huginn, Node RED
- [Open-source alternatives to Zendesk](https://opentools.dev/alternatives/zendesk/): Zammad, FreeScout, Chatwoot, Frappe Helpdesk, Libredesk
- [Open-source alternatives to Zoho CRM](https://opentools.dev/alternatives/zoho-crm/): Twenty, EspoCRM, SuiteCRM, Krayin
- [Open-source alternatives to Zoom](https://opentools.dev/alternatives/zoom/): Jitsi Meet, BigBlueButton, MiroTalk SFU, MiroTalk P2P, Galene

## Categories
- [Files & sync](https://opentools.dev/categories/files-sync/): 82 apps. Keep your files on your own server, sync them across devices and send big ones to anyone.
- [Photos & media](https://opentools.dev/categories/photos-media/): 119 apps. Back up your photos and stream your own music, films and shows to every screen at home.
- [Office & documents](https://opentools.dev/categories/office-documents/): 41 apps. Write, edit and sign documents together, and scan your paperwork into an archive you can search.
- [Notes & knowledge](https://opentools.dev/categories/notes-knowledge/): 57 apps. Take notes, build a team wiki and find what you wrote down last year.
- [Reading & links](https://opentools.dev/categories/reading-links/): 88 apps. Follow your favourite sites, save articles for later, keep your e-books in one place and search the web without tracking.
- [Passwords & logins](https://opentools.dev/categories/passwords-security/): 7 apps. Store your passwords in a vault you control and share them safely with family or your team.
- [Chat & calls](https://opentools.dev/categories/chat-calls/): 88 apps. Chat with your team, hold video calls and send push notifications without handing your messages to a big platform.
- [Email & newsletters](https://opentools.dev/categories/email/): 46 apps. Run mail for your own domain, read it in the browser and send newsletters to your subscribers.
- [Calendar, events & forms](https://opentools.dev/categories/calendar-events/): 62 apps. Sync calendars and contacts, let people book a time with you, run surveys and sell tickets for your events.
- [Projects & tasks](https://opentools.dev/categories/projects-tasks/): 79 apps. Plan projects on boards, keep your to-do list in order and track the time you spend.
- [Business & CRM](https://opentools.dev/categories/business/): 60 apps. Keep track of customers, answer support requests and run stock, staff and planning for your company.
- [Online shops](https://opentools.dev/categories/e-commerce/): 25 apps. Open an online shop and sell products or tickets without paying a platform a cut of every sale.
- [Money & invoicing](https://opentools.dev/categories/finance/): 42 apps. Plan your budget, follow your investments and send invoices to your customers.
- [Automation & no-code](https://opentools.dev/categories/automation/): 44 apps. Connect your apps so routine work happens on its own, and build internal tools without much code.
- [Analytics & data](https://opentools.dev/categories/analytics-data/): 54 apps. See how people use your website while their data stays on your server, and turn your databases into charts and dashboards.
- [AI & LLM tools](https://opentools.dev/categories/ai-llm/): 14 apps. Run language models on your own hardware and chat with them in a private web interface.
- [Developer tools](https://opentools.dev/categories/developer-tools/): 72 apps. Code in the browser, test APIs, track errors, translate your app and share snippets with your team.
- [Websites & blogs](https://opentools.dev/categories/websites-cms/): 60 apps. Build a website or start a blog and keep your content and your readers on your own domain.
- [Servers & network](https://opentools.dev/categories/servers-network/): 107 apps. Set up your home server, block ads for the whole network and reach your machines from anywhere.
- [Smart home](https://opentools.dev/categories/smart-home/): 28 apps. Control lights, heating and cameras at home without sending everything through a vendor's cloud.
- [Learning & libraries](https://opentools.dev/categories/learning/): 25 apps. Run online courses for your school or company, or manage a library catalogue.
- [Social & community](https://opentools.dev/categories/social-community/): 40 apps. Start a forum or join the fediverse with your own social network, where no algorithm decides what people see.
- [Games](https://opentools.dev/categories/games/): 42 apps. Host game servers for your friends, play open-source games and keep your retro collection in one library.
- [Everyday & more](https://opentools.dev/categories/everyday/): 129 apps. Save recipes, log workouts, plan trips, map your family tree and find handy tools that fit nowhere else.