FOSS apps: free and open source

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

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BFBAN Assistants

Report players on your phone with mobile app for BFBAN
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
B
BG2BangleJS

With this app you can get your BG values onto the BangleJS!
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Bhagavad Gita

A Simple Android App for Bhagavad Gita
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Bhagavad Gita

A spiritual book about the relation between men, God and the Ethernal
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Bibel-Kapitel-Losung

Draws randomly a bible chapter by touching a button
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Bible Lock Screen

Daily Bible verse on your lock screen wallpaper
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Bible Notify

Free and open-source, offline daily Bible verse notification app for Android
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Bible Verse App

Daily Bible verses from BibleGateway.com with widgets & notifications
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Bibledit

Enables translation teams to edit Scripture on any device
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Bibleside

Offline Bible app featuring the OET (Open English Translation)
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
bicyweather

A simple weather forecast for german cities.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Bide et Musique

Listen and consult the "Bide et Musique" web radio.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Bienvenido a Internet

Bienvenido a Internet text/image board browser
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Bierverkostung

Document and manage your personal beer tastings
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
BiglyBT, Torrent Downloader

Ad-free, open source torrenting for phone, tablet, Chromebook, & Android TV
- Internet
- FOSS
- Free
- In-app purchases
- No ads
- Android only
Google Play Aurora Store F-Droid GitHub
Bike Radar

Overlay and audio alerts for BLE bike radars. Offline, no account, no cloud.
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
BikeBridge

Companion app for e-bikes and components
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid Zapstore
BikeSharingHub

Shared bikes availability in your city
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
BikeTrackd

A cycling speedometer and GPS tracker with offline maps and bike maintenance
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
BiliDownOut

Export videos downloaded from the Android version of Bilibili App
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
bilimiao

Original Bilibili Time Machine
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Bily

Aids in splitting shared receipts fairly
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Bim!

An online multiplayer mobile game of the last man standing genre
- Games
- FOSS
- Free
- No ads
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Bimba

FLOSS public transport passenger companion; a timetable in your pocket.
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Binary Eye

QR code and barcode scanner with no ads
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Binary Kitchen Doorlock

Binary Kitchen's Open Sesame
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Binary Puzzle

A minimalist binary placement logic puzzle game.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
B
Binaural Beat

Binaural beat generator with the classic SBaGen engine and ambient backgrounds
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
BinClockWidget

AMOLED-black monochrome binary-clock home-screen widget
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
BinderFuzzy - Pentest Android Services

An App intended for fuzzing the Binder interface and System Services of Android.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
BinEd - Hex Editor

Editor for binary data (hex viewer/editor)
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Biometric Bypass

Xposed module that skips the confirm step after face unlock
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Birdipedia

A pocket bird guide written in Jetpack Compose.
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
BitAC - Bitcoin Address Checker

An easy and quick way to check the balance of bitcoin addresses.
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
BitBanana

Unleash your Bitcoin Lightning node!
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Bitcoin Ticker (+Widget)

Ad-free Bitcoin home-screen widget: EUR/USD price, 24h change and charts
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Bitcoin Wallet

Your own Bitcoins, in your own pocket!
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Bitcoin Wallet [testnet3]

Testing version of Bitcoin
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Bitmask

Encrypted communication for mere mortals (superheroes welcome, too).
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
B
Bits & Bäume 2022 Schedule

The conference for digitization and sustainability
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid
BLACKBOX

File Encryption & Vault
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
BlackCandy

Black Candy for Android
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
B
Blackjack
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
BlastOff

Casual endless runner featuring vector graphics
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
BLE Manager

Control your BLE devices easily. No libraries needed.
- System & tools
- FOSS
- Free
- No ads
- Android only
F-Droid Zapstore
BLE Radar

A tool to monitor, analyze and find BLE devices around you.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
BleOta

Upload firmware over Bluetooth
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Blichess

Play lichess games over Bluetooth
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore