EN

Replace Notion with open source.

1,357 self-hostable open-source apps, matched to 277 paid products. Compared by license, GitHub stars and how active they are.

    TryNotionDropboxZapierGoogle PhotosSlack1Password

    Popular swaps

    Paid products people most often replace, and the open-source apps they move to.

    All products
    1PasswordVaultwarden, Bitwarden, PassboltAirtableBaserow, Grist, NocoDBAsanaPlane, OpenProject, LeantimeCalendlyCal.diy, Easy!Appointments, RalllyChatGPTOpen-WebUI, LibreChat, AnythingLLMConfluenceBookStack, Wiki.js, docmost Community EditionDiscordFluxer, Stoat, ElementDocuSignDocuseal, Documenso, OpenSignDropboxNextcloud, Seafile, SyncthingEvernoteJoplin, TriliumNext Notes, MemosFeedlyFreshRSS, Miniflux, Tiny Tiny RSSGitHubForgejo, Gitea, GitLabGmailMailcow, Stalwart Mail Server, Mail-in-a-BoxGoogle AnalyticsMatomo, Plausible Analytics, Umami

    Browse by what you need

    Every app sorted into what it is for.

    View all
    Files & sync81Photos & media119Office & documents42Notes & knowledge57Reading & links89Passwords & logins7Chat & calls88Email & newsletters46Calendar, events & forms63Projects & tasks79Business & CRM61Online shops26Money & invoicing42Automation & no-code44Analytics & data54AI & LLM tools14Developer tools71Websites & blogs60Servers & network107Smart home28Learning & libraries25Social & community40Games42Everyday & more131

    Most starred

    View all
    • n8n

      Free node based Workflow Automation Tool. Easily automate tasks across different services.

      209k
    • Ollama

      Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, and other large language models.

      186k
    • Dify.ai

      Build, test and deploy LLM applications.

      160k
    • Open-WebUI

      User-friendly AI Interface, supports Ollama, OpenAI API.

      157k
    • Immich

      Photo and video backup solution directly from your mobile phone (alternative to Google Photos).

      118k
    • Stirling-PDF

      Local hosted web application that allows you to perform various operations on PDF files, such as merging, splitting, file conversions and OCR.

      95.5k
    • Home Assistant

      Home automation platform.

      91.9k
    • Syncthing

      Peer-to-peer file synchronisation tool.

      90k

    Busiest this month

    Most commits in the last 30 days.

    • PostHog

      Product analytics, session recording, feature flagging and a/b testing that you can self-host (alternative to Mixpanel, Amplitude, Heap).

      40.6k
    • Wekan

      Trello-like kanban.

      21.1k
    • Home Assistant

      Home automation platform.

      91.9k
    • Appwrite

      End to end backend server for web, native, and mobile developers 🚀.

      57.8k
    • ERPNext

      ERP system to help you run your business.

      40.8k
    • Ever Gauzy

      Open business management platform for collaborative, on-demand and sharing economies (ERP/CRM/HRM/ATS/PM).

      8.7k
    • TriliumNext Notes

      Cross-platform hierarchical note taking application with focus on building large personal knowledge bases (fork of Trilium Notes).

      38.7k
    • OpenWA

      WhatsApp API gateway exposing messaging as REST endpoints, with a web dashboard, multi-account sessions, and webhook events (alternative to WhatsApp Business API providers).

      16.5k

    Guides

    All guides
    Alternatives

    Best open-source Google Classroom alternatives (2026)

    Moodle, Canvas LMS, Chamilo and ILIAS compared: course management, grading, plugins and the hardware each one needs for a school or training team.

    Alternatives

    Open-source Gmail alternatives you can self-host

    Mailcow, docker-mailserver, Mailu and Stalwart compared: what each needs to run, the DNS setup, and why self-hosted email is riskier than it looks.

    Alternatives

    Open-source DocuSign alternatives you can self-host

    DocuSeal, Documenso, OpenSign and Signature PDF compared: templates, embedded signing, APIs and how much server each one needs to self-host.

    Alternatives

    Open-source Netflix alternatives you can self-host

    Three self-hosted, open-source apps that stream your own films and shows instead of Netflix's catalog, with their real licenses and trade-offs.

    Alternatives

    Open-source Discord alternatives you can self-host

    Five self-hosted, open-source apps that replace Discord's voice and text chat for a community or a team, with their real licenses and trade-offs.

    Side by side

    Ghost vs WordPress: which blogging platform?

    Ghost is built only for publishing; WordPress is a full CMS that also publishes. Here's how they differ and which fits your needs.

    Enter to open, arrows to move, Esc to close