FOSS apps: free and open source

Free and open-source software: the source code is public under an open licence.

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Flixclusive

The app DOES NOT host and contain movies and tv shows streaming links!
- Multimedia
- FOSS
- Free
- Android only
Zapstore GitHub
FlorisBoard Beta

An open-source keyboard for Android which respects your privacy. Currently in beta.
- Android only
Zapstore IzzyOnDroid GitHub
Flow

expense tracker — built with a focus on great UX, works fully offline, and runs seamlessly across platforms.
- Finance
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store GitHub
FlutCrack

FlutCrack is a Flutter application designed to crack hashes by comparing them against a dictionary of words.
- Education
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid GitHub
Focus Launcher

Be more productive with no distractions
- System & tools
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store IzzyOnDroid GitHub
Fomodoro

Fomodoro is a beautifully simple and distraction-free Pomodoro timer built with Android (Kotlin).
- System & tools
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid GitHub
Food-E

An app to get information about artificial additives found in Processed foods.
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
Fork Client

Fork Client is a fork of the official Telegram for Android application.
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
forte

the android launcher that makes your smartphone dumber. ditch your cluttered home screen. keep the necessities.
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
Fortuna

A free and open-source application based on the philosophy of Evaluative Hedonism.
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
Fox RSS

RSS Reader for Android
- Internet
- FOSS
- Free
- Android only
Zapstore GitHub
freeCodeCamp

freeCodeCamp.org is an online learning platform that offers a comprehensive curriculum in web development and machine learning.
- Education
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store GitHub
Freedom Guard

Freedom Guard Mobile – VPN for free internet access, including Freedom Browser, Freedom Link, and Freedom Vibe.
- Internet
- FOSS
- Free
- Android only
Zapstore GitHub
Freerse

Decentralized social applications built on Nostr. : https://github.com/nostr-protocol/nostr
- Communication
- FOSS
- Free
- Nostr
- Android only
Zapstore GitHub
Frosty

A mobile Twitch client for iOS and Android with 7TV, BetterTTV (BTTV), and FrankerFaceZ (FFZ) support.
- Communication
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store GitHub
furtive

Privacy first. No accounts. No Google services. Full access to your GPS sensor.
- Navigation
- FOSS
- Free
- Android only
Zapstore GitHub
Futon Nightly

[!NOTE] > Futon is a fork of Kotatsu — a free and open-source manga reader for Android.
- Productivity
- FOSS
- Free
- Android only
Zapstore GitHub
GameNative

Play the PC games you already own — from Steam, Epic and GOG — on your Android device, with cloud saves.
- Games
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store GitHub
Gentle Glow: Onyx BOOX

Control your Onyx BOOX frontlight 💡 with presets, custom configs and scheduling ⏰.
- System & tools
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store IzzyOnDroid GitHub
GeoWeather

GeoWeather is a modern Android weather application that allows you to monitor weather conditions for multiple cities.
- Internet
- FOSS
- Free
- Android only
Zapstore GitHub
Gfrör.li

The app "Gfrör.li" displays current water temperatures of Swiss lakes and rivers in dozends of different locations.
- System & tools
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store IzzyOnDroid GitHub Accrescent
Gibsonify

Gibsonify is a Flutter app designed to follow Gibson's 24-hour methodology for nutritional data collection.
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
GitNote-Nightly

Android note app which integrate Git. You can use this app with other desktop editors.
- Productivity
- FOSS
- Free
- Android only
Zapstore GitHub
Gopeed

A fast, modern download manager for HTTP, BitTorrent, Magnet, and ed2k. Cross-platform, built with Golang and Flutter.
- Internet
- FOSS
- Free
- Android only
Zapstore GitHub
Gosling

This project contains goose mobile implementations.
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
GPS Locker

GPS Locker is an app for Android that keeps the GPS locked at all times when activated.
- Navigation
- FOSS
- Free
- Android only
Zapstore GitHub
GPT Box

GPTBox - a third-party client for OpenAI API.
- Communication
- FOSS
- Free
- Android only
Zapstore GitHub
Graysky

Graysky is a Bluesky client written in React Native.
- Android only
Zapstore Google Play Aurora Store GitHub
Grocery Genius
- System & tools
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store IzzyOnDroid GitHub
H2Byte

H2Byte is an Android client for Hysteria2, a powerful, lightning-fast, and censorship-resistant proxy protocol.
- Android only
Zapstore
Habit Builder
- Android only
Zapstore Google Play Aurora Store IzzyOnDroid GitHub
Hash Checker

The app is currently unsupported. You can create new issues or ask me questions, but anything that involves making edits will at best be…
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
HealthLog

An opensource app to log medical test records. Cholesterol/Sugar/BP/RFT logging Implemented.
- Android only
Zapstore IzzyOnDroid GitHub
HeliBoard debug

Customizable and privacy-conscious open-source keyboard
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
Hexpress

Hexpress app on Google Play
- Multimedia
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid GitHub
HideDroid

HideDroid is an Android app that allows the per-app anonymization of collected personal data according to a privacy level chosen by the…
- Android only
Zapstore IzzyOnDroid GitHub
HomeCentral

Touch Screen lifestyle app for your home
- System & tools
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid GitHub
Hot Stuff

An offline Android app designed to help users quickly and accurately document belongings for proof of loss forms in insurance claims.
- System & tools
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid GitHub
Human Benchmark

Comprehensive Testing: Test yourself in various areas, including Reaction Time, Typing, Chimp Test, Number Memory, Hearing Test, Verbal…
- Games
- FOSS
- Free
- Android only
Zapstore
Husky Beta

status](https://hosted.weblate.org/widget/husky/translations/svg-badge.svg)](https://hosted.weblate.org/engage/husky/)
- Communication
- FOSS
- Free
- Android only
Zapstore GitHub
Iam Pirate Dice

In my childhood, my friends and I spent a lot of time to play the Pirates board game (published in the Pioner magazine #6 1989), it was a…
- Games
- FOSS
- Free
- Android only
Zapstore GitHub
Iconify

Iconify lets you customize your Android 12+ device easily.
- System & tools
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid GitHub
IdeaMemo

A Beautiful Memo App written with Jetpack Compose. 开源Android闪念笔记App。
- System & tools
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store GitHub
Igatha

Offline SOS signaling and recovery app for wars and disasters (iOS & Android) — like a digital flare-gun.
- System & tools
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store IzzyOnDroid GitHub
Image Converter

An android app. Convert images between formats: BMP, GIF, JPG, PNG, TIF, WEBP.
- System & tools
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid GitHub
ImapLocate

Android app for tracking and storing GPS position in IMAP account
- Navigation
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid GitHub
Infinity

A Reddit client for Android
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
IPTV Player

IPTV Player android player ..It reads, categorizes and enables playback of the m3u file. now DRM supported.
- Multimedia
- FOSS
- Free
- Android only
Zapstore IzzyOnDroid