Free, open-source alternatives to Sessionize
Call for papers and speaker management for conferences. 3 apps you can run yourself instead of Sessionize, sorted by how well they replace it. Each one is open source, so your data stays with you.
pretalxBest match
Web-based event management, including running a Call for Papers, reviewing submissions, and scheduling talks. Exports and imports for various related tools.
indico
Feature-rich event management system, made @ CERN, the place where the Web was born.
osem
Event management tailored to free Software conferences.
Side by side
Why replace Sessionize?
Sessionize works, but your data lives in someone else's account, the price can change at any time, and features can disappear. An open-source app you run yourself is yours: you choose where it runs, who can see the data, and when to update.
Questions
What is the best free alternative to Sessionize?
pretalx is the closest open-source replacement for Sessionize in our list. indico and osem are worth a look too, depending on what you need.
Can I self-host an alternative to Sessionize?
Yes. All 3 apps on this page are open source and can run on your own server, usually with Docker, or on a managed host that installs them for you.