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Open-Source Apps

Explore the best and most versatile open-source apps available for your Android device! Open source software has revolutionized the way you experience and control your applications, offering transparency, security, and unmatched customization. This carefully curated list showcases tools and utilities that will undoubtedly boost your productivity and introduce unique features tailored for everyday tasks. Whether you're looking for privacy-conscious messaging solutions, flexible task management, or tools for creative exploration, these open source apps deliver innovative solutions catering to diverse needs. Picture this—you need a secure, feature-packed alternative to a mainstream app, and you find it, seamlessly on Uptodown. Start downloading these exceptional applications now from Uptodown to harness their full potential and enhance your mobile experience!
OpenBoard icon
An alternative to your usual keyboard
Amaze File Manager icon
A simple and powerful file manager for Android
Simple Gallery icon
A great alternative Android gallery
Bromite icon
A potent Chromium-based browser
MAPS.ME icon
Offline maps for anywhere in the world
Moodle Mobile icon
Management and administration for the Moodle educational platform
Simple SMS Messenger icon
Send SMS and MMS messages from this alternative app
FBReader icon
Read any e-book from your Android device
AnySoftKeyboard icon
An Android keyboard with multilingual support
KOReader icon
A minimalist and easy-to-use multi-format document reader
FlorisBoard icon
A lightweight keyboard app that respects your privacy
Keepass2Android icon
Powerful and easy-to-use password manager for Android
K-9 Mail icon
All you need in an Android email client
ScreenCam Screen Recorder icon
Record everything that happens on your screen
Jitsi Meet icon
Hold videoconferences with an unlimited number of users
GeoGebra icon
The most complete mathematics tool for Android
QKSMS icon
Add some magic to your SMS and its interface
Image Toolbox icon
Optimize images: batch editing, compression, and AES-256 encryption
Phonograph icon
A beautiful music player
Simple Camera icon
A camera with all the essential features
Audio Recorder icon
A powerful and simple sound recorder
AFWall+ icon
Use this Android firewall to protect you from unwanted things
Simple Calculator icon
Calculations without complications
Loop Habit Tracker icon
Stick to your good habits
Mastodon icon
The best alternative to Twitter on your device
Slim Social for Facebook icon
A lightweight and open source Facebook client
QuickLyric icon
All your favorite songs to sing with
Simple Dialer icon
A convenient and elegant phone dialer
Simple Music Player icon
A minimalist music player
Simple Draw icon
Create sketches easily
Joplin icon
Take notes any time, any place
Simple App Launcher icon
Organize your favorite apps and tools
Simple File Manager icon
Manage all the files on your device
Simple Contacts icon
Organize and view your contacts easily
AntennaPod icon
An excellent tool for managing your podcasts
Organic Maps icon
Find any place of interest with this map
PocketMine-MP icon
Create and manage servers on Minecraft
Simple Clock icon
An alternative to the clock on your Android device
Simple Calendar icon
A practical calendar for all your appointments
Corona-Warn-App icon
Covid 19 tracking in Germany
ConnectBot icon
Simple SSH client
Geometric Weather icon
Check the weather forecast in a really visual way
Vanilla Music icon
Music player with a customizable interface
Slide for reddit icon
An elegant reddit client with lots of different features
Open Radio icon
Enjoy any live radio program on the planet
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