FOSDEM Companion
FOSDEM Companion is a free, open-source calendar and contacts app for Android. Schedule browser for the FOSDEM conference. It has 154 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid and Google Play.
github.com/cbeyls/fosdem-companion-android (opens in a new tab)
- Android
- Kotlin
- Calendar & contacts
- Actively maintained
About FOSDEM Companion
Advanced schedule browser for the FOSDEM conference in Brussels, Belgium. Download the most recent schedule and browse it offline. Features: * Browse sessions by day and by track * Instant search * Track schedule view optimized for phones and tablets * Full sessions details with related links, speakers info and room maps * Add sessions directly to your calendar * Share sessions with a link to their page on the FOSDEM website * Manage bookmarks and get notified when a bookmarked session is about to start * “Live” view: during FOSDEM, watch the realtime updated list of currently running and upcoming sessions * Includes a simple map of the site.
Privacy and F-Droid
F-Droid builds FOSDEM Companion from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
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What is FOSDEM Companion?
FOSDEM Companion is a free, open-source calendar and contacts app for Android. Schedule browser for the FOSDEM conference. It has 154 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid and Google Play.
Is FOSDEM Companion free and open source?
Yes. FOSDEM Companion's source code is public on GitHub under the Apache-2.0 license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install FOSDEM Companion?
You can install FOSDEM Companion from F-Droid (package be.digitalia.fosdem) and from Google Play; the links are on this page. Its GitHub repository also publishes releases (latest: 2.3.0).
Is FOSDEM Companion still maintained?
The repository's most recent commit was on Aug 30, 2026. Its F-Droid listing was last updated on Jan 17, 2026. appsgit only lists apps whose repository had a commit in the last six months.