FOSS apps: free and open source

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

page 94

Yatoo

Yet another todo app
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Yeeemp

Yeeemp - tag-based event tracker for everything
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Y
Yet Another Call Blocker

Block unwanted calls effortlessly
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
yetCalc

Progressive calculator, converter and much more.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Yggdrasil

Official implementation for connecting to the Yggdrasil Network from Android
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Yivi

Your digital identity in one app.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
ykDroid

YubiKey challenge-response USB and NFC driver
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub
ylih - your life in headphones

Track how many hours each pair of headphones lasts. Offline, forever, private
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Yokatta

Flashcards based language learning app
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Yoke

Hackable gamepad for Linux
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
You Have Mail

Email Notification without Google Play Services
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Youamp

Music player for Subsonic servers with modern Material You interface
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Your local weather

Application displays current weather and location wherever you are.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Your very own Sun!

Live wallpaper
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Youtube Video Listing App (By The Creative Team)

This app is a kind of Youtube Video catalog having an online cloud backend based
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
YtAlarm

A simple alarm application using ytdl-android.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
YTDLnis

Android Video/Audio Downloader app using yt-dlp
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
YtReader

Read YouTube subtitles with AI-powered text cleaning
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
YubiClip XOR

Present static passwords over NFC securely from your NFC enabled Yubikey.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Yubico Authenticator

Generate OATH codes with YubiKey NEO over NFC
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Yucata Envoy

Display how many games on Yucata are waiting for user to make a move
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Yumi Co. Radio

A 24/7 radio station playing Future Funk, City Pop and more, with live chat.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zabb

Mobile client for Zabbix monitoring
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zade's wallpaper

Draw on your home screen with coloured shapes
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zaelio

Offline tracker for custom sessions and measurements
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zandy

Library assistance
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Zapp

Collection of German public broadcasting live streams
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zaragoza Tarjeta Bus

Your Zaragoza public transport card: balance and recent activity
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Zazen

A minimal, offline meditation timer with interval bells.
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zazen Meditation Timer

Zazen meditation timer with multi-section sessions and bell sounds.
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
zbarcamdemo
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Zelp

Amazfit pairing keys, GPS packs, firmware, and watch apps for Gadgetbridge
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zenwell: Stop doomscrolling

Block distracting apps and reduce screen time
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
ZephyrLogger

Log Zephyr heart rate monitor data
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Zerion

Encrypted chats, calls and channels over Tor. No phone number, no email.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Zham

Offline world clock with a home-screen widget and time-zone converter.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zimly S3 Backup

Synchronise your media and documents to any S3 compatible storage
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zipline

An Android app to manage your self-hosted Zipline V4 instance.
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Zodl: Zcash Wallet

The most private crypto wallet. Built for financial sovereignty.
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Zorin Connect

Connect your Zorin OS computer with your device
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Zoysii - Logic game

A simple logic game: find the best path to delete every number in a square space
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
zSMTH

Client for SMTH BBS
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Zulip

Open-source team chat that helps teams stay productive and focused
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
µLauncher

A distraction-free, minimal homescreen for Android.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Épione

Offline directory of French health facilities (FINESS open data).
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Étagère

Browse a Calibre library on your Nextcloud and download EPUBs
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Öffi Sounds

Podcast app with ARD Sounds, BBC Sounds & public radio integration
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Überböse

Control Bose SoundTouch speakers & Spotify auth
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore