Tallybook
Private, offline-first expense and budget tracker, no account requiredGPL-3.0-or-later
Luteal
Private, offline-first cycle tracker separating facts from estimatesGPL-3.0-or-later
Grazer Linuxtage
Browse the "Grazer Linuxtage" scheduleApache-2.0
TKWeek
A date and calendaring tool for AndroidMIT
FOSDEM Companion
Schedule browser for the FOSDEM conferenceApache-2.0
AniSync
Offline-first AniList client for anime and manga tracking with widgetsGPL-3.0-only
Colota - GPS Location Tracker
Self-hosted GPS tracker. Open source, geofencing, offline mode, no telemetryAGPL-3.0-only
Emacs
The extensible self-documenting text editorGPL-3.0-or-later
Mushotoku
A private, fully-offline productivity app for focusing on what mattersGPL-3.0-or-later
XPENC
Offline expense tracker — accounts, budgets, dues and insights, all on-deviceMIT
PassAndroid
View Passbook filesGPL-3.0-only
Device Watch
System monitor widget with per-app usage insights and a charging screensaverGPL-3.0-or-later
Cfait
Powerful, fast and elegant TODO / task manager. (CalDAV and local)GPL-3.0-only
Protocol Berg Schedule
Schedule app for the Protocol Berg conferenceApache-2.0
Remember: Notes & Reminders
Notes, tasks, and reminders that keep coming back until they are done.GPL-3.0-only
LibreOffice 2024 Schedule
Schedule app for the LibreOffice ConferenceApache-2.0
FairEmail
Fully featured email client. Neat, intuitive user interface. Privacy friendlyGPL-3.0-only
Infomaniak kSync
Automatically sync your contacts and calendarsGPL-3.0-only
FOSDEM 2026 Schedule
Conference schedule app for the FOSDEM conferenceApache-2.0
Camp 2023
Schedule app for the Chaos Communication Camp 2023Apache-2.0