Clavier Tuner
Piano tuning from the piano in front of you: measured, not assumedApache-2.0
GPSLogger
A lightweight GPS logger, battery efficient, GPX/KML, add notes, share, upload.GPL-2.0-only
Meditate
Meditation timer with session log, stats, and Nextcloud syncGPL-3.0-or-later
Open TimeLimit
Simply limit the usage durationGPL-3.0-only
pcontacts
Sync Proton Mail contacts into the Android system address book.GPL-3.0-only
Working Time Account
Record working hours, generate and send reports (PDF, CSV and ICS)GPL-3.0-or-later
PilferShush Jammer
Block unwanted use of onboard microphoneApache-2.0
GymMane
Dark, offline gym log. Tap the muscle, log your sets, watch your numbers move.GPL-3.0-only
Tuner
A simple and precise tunerGPL-3.0-or-later
TimeLimit.io
Flexibly limit the usage durationGPL-3.0-only
OpenVitals
Private Health Connect dashboard. No account, no cloud, no ads.AGPL-3.0-or-later
Streak
A minimal, private, ad-free habit tracker. One tap to log, watch streaks grow.GPL-3.0-only
Personal Stuff
App used to track, manage and remind you of your own stuff.GPL-3.0-only
Pappus Travel Planner
From the plan to the settle-up — everything your trips involveGPL-3.0-or-later
GrooveForge
MIDI synth with soundfonts, 92 microtonal scales, and offline band rehearsalsMIT
Étagère
Browse a Calibre library on your Nextcloud and download EPUBsGPL-3.0-or-later
Oversec
Privacy for All Apps! Encrypt and Disguise Messages in All Your Apps!GPL-3.0-or-later
OsmAnd~
Global Mobile Map Viewing & Navigation for Offline and Online OSM MapsGPL-3.0-only
Titan Companion
Stat sheet and rules engine for all Fighting Fantasy gamebooksLGPL-3.0-only
To Don't
The reverse to-do list.Apache-2.0