F-Droid Search: calendar

Schedule for the Datenspuren conference at Zentralwerk DresdenApache-2.0

Schedule for the FIfFKon conference at Theater im Delphi BerlinApache-2.0

Fullscreen Analog- and Digital Clock with Alarm, Event & Battery ViewGPL-3.0-or-later

System monitor widget with per-app usage insights and a charging screensaverGPL-3.0-or-later

Dark, offline gym log. Tap the muscle, log your sets, watch your numbers move.GPL-3.0-only

See when you’re free — Vacation Days helps you keep track of your days off.Apache-2.0

A minimal, private, ad-free habit tracker. One tap to log, watch streaks grow.GPL-3.0-only

Spot satellites overhead in augmented realityGPL-3.0-or-later

Unlimited social: write as much as you want and enrich posts with formattingGPL-3.0-only

Your tasks in the right order, fitted into your day. No account, no network.MIT

Clear your head: capture tasks fast, see your next step. Offline, free, GTD.AGPL-3.0-only

Coworking communities: booking, shared money and a social network.0BSD

Local-first intermittent fasting, calorie, weight & workout trackerGPL-3.0-only

(SECUSO) Create lists of tasks which can be individually managed.GPL-3.0-or-later

Automate stuff on your device by creating rules.GPL-3.0-or-later

All your calendars in one app. iCloud, CalDAV, device, ICS. Private.Apache-2.0

Tailored Period Tracking, Total Privacy—Your Period, Your Control.MIT

Bodyweight workout tracker - create and customize your own exercisesGPL-3.0-only

Easy to use personal finance manager: rich functionality and Open SourceGPL-3.0-only

Calm, offline bodyweight training with guided workouts and progressionsGPL-3.0-only