Connectivity
Audio Share
Share Windows/Linux computer's audio to Android phone.
URLCheck
Allows analyzing (or sharing) URLs before opening them.
EasySync
Synchronize your phone with your WebDAV server, the easy way.
RecollDroid
UI for the Recoll fulltext search engine.
Development
QRAlarm
Disable alarms with a QR scanner
SimpleTextEditor
Simple Text Editor
Orgro
Live your life in Org Mode? Take it with you on your Android device.
Games
RailTrip
Travel through the train stations to stamp your visa!
Unciv
Open source 4X civilization-building game
Mill
A Mill Game which supports many rule variants, written in Flutter
Luanti
Voxel-based multiplayer game platform
Graphics
Drawpile
A collaborative drawing program
Imagepipe
removes exif data and modifies images to reduce size before sharing.
Slideshow Wallpaper
A Live Wallpaper showing a slideshow of user-selected images
Internet
Kitsune
Discover new anime & manga and manage your Kitsu library.
Tuta Mail
Encrypted email & calendar service - easy to use, secure by design.
Tuta Calendar
Quantum-safe encrypted planner to schedule & manage your events & sync calendars
InviZible Pro: increase your security, protect you
Comprehensive application for on-line privacy and security
Money
Money Manager Ex
Manage your finances on-the-go, encrypted for security, sync via your storage
Recurring Expense Tracker
Keep track of your monthly spending
My Expenses
Easy to use personal finance manager: rich functionality and Open Source
Multimedia
Audio Share
Share Windows/Linux computer's audio to Android phone.
Kitsune
Discover new anime & manga and manage your Kitsu library.
EasySync
Synchronize your phone with your WebDAV server, the easy way.
Lissen: Audiobookshelf client
Clean Audiobookshelf Player
Navigation
Kwik EFIS
Aviation Glass Cockpit / Electronic Flight Information System
RailTrip
Travel through the train stations to stamp your visa!
OSM Dashboard for OpenTracks
OpenStreetMap dashboard for OpenTracks
tower
find location (cell or GPS), view online maps, store waypoints and tracks
Phone & SMS
SpamBlocker (Call & SMS)
Spam Call/SMS blocker
Cheogram
Chat on the Jabber network (XMPP protocol); focus on features for gateway users
Fossify Phone
Unlock a secure, open-source calling experience with Fossify Phone
Reading
Prayer Book
Catholic prayers
Kitsune
Discover new anime & manga and manage your Kitsu library.
LinkDroid for Linkwarden
Quickly access your Linkwarden instance and share new links with it
floccus bookmark sync
Sync your bookmarks privately across browsers and devices
Science & Education
Dahdidahdit - the Morse Trainer
An actual Morse code trainer, not just a Morse code generator
Solar
Solar is an app to monitor off grid solar setups over bluetooth.
Really Basic Vocab
simple flashcard app
taz
reader for the german newspaper "taz. die tageszeitung".
Security
Proton Pass: Password Manager
Password manager created by the scientists who met at CERN behind Proton Mail.
Vernet - Network Analyzer
Host and Port scanner. Ping IP or domain.
WG Tunnel
An alternative VPN client app for WireGuard with additional features
InviZible Pro: increase your security, protect you
Comprehensive application for on-line privacy and security
Sports & Health
plees-tracker
Plees Tracker is a simple sleep tracker for your Android phone.
OSM Dashboard for OpenTracks
OpenStreetMap dashboard for OpenTracks
OSM Dashboard Offline for OpenTracks
OpenStreetMap dashboard for OpenTracks without internet permission
System
EasySync
Synchronize your phone with your WebDAV server, the easy way.
Geto
Apply custom settings to your apps.
EasySSHFS
Sshfs with ssh client and interface for Android.
Obtainium
Get Android app updates directly from the source
Theming
Peristyle
Simple wallpaper manager app with Auto Wallpaper and Multi Folder support.
Cuscon
This icon pack adds variety and dynamism to your Home screen
Delta Icon Pack
Minimalistic pastel icon pack for Android
Time
Etar - OpenSource Calendar
Etar is a material designed open source calendar, for everyone!
plees-tracker
Plees Tracker is a simple sleep tracker for your Android phone.
QRAlarm
Disable alarms with a QR scanner
