MainTask
Reminders for your recurring tasks: filters, plants, backups, car checks…GPL-3.0-or-later
Zahlenschatzjagd
Maths practice for school years 1 and 2 – offline, ad-free, in GermanGPL-3.0-or-later
Protocol Berg Schedule
Schedule app for the Protocol Berg conferenceApache-2.0
XPENC
Offline expense tracker — accounts, budgets, dues and insights, all on-deviceMIT
LibreOffice 2024 Schedule
Schedule app for the LibreOffice ConferenceApache-2.0
Dayfile
Take notes about your daily lifeMIT
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
Remember: Notes & Reminders
Notes, tasks, and reminders that keep coming back until they are done.GPL-3.0-only
Pappus Travel Planner
From the plan to the settle-up — everything your trips involveGPL-3.0-or-later
FOSDEM 2026 Schedule
Conference schedule app for the FOSDEM conferenceApache-2.0
FediSuite
Schedule, manage and analyze Fediverse accounts on any FediSuite instanceGPL-3.0-only
Camp 2023
Schedule app for the Chaos Communication Camp 2023Apache-2.0
Launch - Minimalist Launcher
A clean, efficient, and minimalist Android launcher.MIT
DAVx⁵
CalDAV/CardDAV Synchronisation and ClientGPL-3.0-only
Simple Notes Sync
Offline notes & checklists, self-hosted sync. Under 5 MB, no ads, no tracking.AGPL-3.0-only
Offenbach App
The official citizen app of the city of Offenbach am MainEUPL-1.2
Bloom: Org-mode Notes & Tasks
A native Org-mode notes app for Android. Your notes stay plain .org files.Apache-2.0
Balance
Private offline bank balance dashboardGPL-3.0-only
HOPE 26
Schedule app for the HOPE conferenceApache-2.0