Highly versatile PDF and XPS solution offering customizable rendering and viewing with features like digital signatures, redactions, and annotations.
Cost / License
- Free
- Open Source
Application types
Platforms
- Windows
- Linux
- Android
- F-Droid
- Xfce
+3
The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer.
Cost / License
- Free
- Open Source
Application types
Platforms
- Android
- F-Droid
Binary Eye is a free and open source app that can scan and generate various barcodes. It supports portrait and landscape orientation, inverted codes, Material Design and checksum verification.
Cost / License
- Free
- Open Source
Application types
Platforms
- Android
- Android Tablet
- F-Droid
Open-source, decentralized alternative ensuring data ownership with encrypted communication and peer-to-peer sync, void of central server reliance.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- BSD
- Self-Hosted
- Cloudron
- Termux
- Terminal
Lightweight and open-source app for YouTube, PeerTube, SoundCloud, and more. No Google Account needed, supports 4K and background audio streaming with downloads.
Cost / License
- Free
- Open Source
Application types
Platforms
- Android
- SoundCloud
- YouTube Music
- Flathub
- Bandcamp
- YouTube
- F-Droid
- Flatpak
- PeerTube
+9
Privacy-focused GPS app with offline maps and community development, featuring real-time navigation, no location tracking, and open-source software.
Cost / License
- Free
- Open Source
Application types
Platforms
- Linux
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- iPad
- OpenStreetMap
- Flathub
- F-Droid
An Android app which uses your phone's sensors to assist with wilderness treks or survival situations. Works as general offline multitool.
Cost / License
- Free
- Open Source
Application type
Platforms
- Android
- Android Tablet
- F-Droid
A free and open source podcastmanager for Android, allowing you to subscribe to podcasts (via iTunes database & OPML), automatically download episodes using powerful mechanisms and listen to them the way you like (speed, balance adjustments, etc).
Cost / License
- Free
- Open Source
Application types
Platforms
- Android
- Android Tablet
- F-Droid
Mullvad is a VPN service that helps keep your online activity, identity, and location private.
Cost / License
- Paid
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- F-Droid
- WireGuard
- Tor
- OpenWrt
- Tomato
- pfSense
- DD-WRT
+10
An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
+4
Simple Scrobbler is a simple app that scrobbles music listened to on an Android phone. You can scrobble to
Last.fm, 
Libre.fm and 
ListenBrainz.Cost / License
- Free
- Open Source
Platforms
- Android
Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.
Best material design music player for Android. Metro is a fork of Retro Music with Google Play API removed and all pro features unlocked.
