FOSS apps: free and open source

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

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Midnight

A dream journal app aimed to be straightforward
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
MidniteSolar Classic Monitor

View solar charging device status
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
MIFARE Classic Tool

An NFC app for reading, writing, analyzing, etc. MIFARE Classic RFID tags.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Mightier Amp

An alternative app for controlling NUX Mighty amps series.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Migraine Log

A simple headache diary that respects your privacy
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Mihrab: The Muslim Companion

Prayer times, adhan, the Quran, duas and qibla in one calm, private app.
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Milki Launcher

Android launcher with multi-source search
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mill

A Mill Game which supports many rule variants, written in Flutter
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Min Time

A minimalistic talk timer to help structure your talks and presentations.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Mindful Attention Awareness Scale

Find out how mindful you are on a scale of 1 to 6
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Mindfulness Meditation

Selection of audio guides for mindfulness meditation
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Mindustry

An open-ended factory management game with RTS and tower defense elements
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Mindwtr - GTD Task Manager

Clear your head: capture tasks fast, see your next step. Offline, free, GTD.
- Productivity
- FOSS
- Free
- No ads
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
minedmonero

Companion app for monero miners on supported pools
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Mines3D

Do you like challenges? Try two leveled mines.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
M
Minesweeper

Configurable offline Minesweeper for Android.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Minesweeper

Beautiful Minesweeper. No ads, no trackers, no permissions.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Minesweeper (Privacy Friendly)

(SECUSO) Privacy friendly Minesweeper without ads or permissions
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Minesweeper - Antimine

A puzzle game where you search for all hidden mines.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Minimal Currency Converter

Offline, manual input, minimal currency converter
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Minimal Kernel Manager

Android kernel management and system monitoring application
- System & tools
- FOSS
- Free
- Paid
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub Zapstore
Minis companion

A simple app to help miniature painters keep track of their painting recipes
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Miniter

Video editor built for simple tasks
- Multimedia
- FOSS
- Free
- Paid
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub Zapstore
MinkLauncher OpenSource

A minimal, keyboard-first Android home-screen launcher
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
M
MinLauncher

A minimal, ad-free Android launcher with no internet access and no tracking.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Minos

A simple maze game
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Minute Maze

Solve as many mazes as possible before the time runs out.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Miracast Shortcut

Miracast widget
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid
Miroji

A fast, simple, private front-camera mirror
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Mirror

Simple Android application turning your device into a pocket mirror🪞
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mirror

Multiprotocol backup application (NFS, SMB, FTP, SFTP, WebDAV)
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mirror

Screen mirroring manager with support for AirPlay, Moonlight, and DisplayLink.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Miru

An App that unifies websites for watching movies, comics and novels online
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Missed Notifications Reminder

Periodical sound reminder for missed notifications
- System & tools
- FOSS
- Free
- In-app purchases
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid
Mission

Daily habit tracker, as simple as possible
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mitch

Unofficial itch.io client for Android. Buy, install, and play indie games.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Mixer Controller

Access digital audio mixer's via WebUI.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
MJ PDF

A simple PDF viewer
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid Zapstore
MMRL

A modules manager for Magisk & KernelSU.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Mnemosyne

A memorization app designed for lists as opposed to traditional flashcards
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
MoasdaWiki

Privacy-Friendly Knowledge Management App
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Mobapp Game

Minimalist physics arcade: speed, flips, built-in editor
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mobile Harness

AI coding, Linux terminal, files, diffs, and previews on Android
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mobile Maia

Offline chess against Maia-3 with local Stockfish analysis
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mobile Paper Wallet

Create single use cryptocurrency wallet, just like a paper wallet
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
MobileInpact

MobileInpact is an unofficial client for NextInpact.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Mobilizon

Mobilizon is a tool to help manage your events, your profiles and your groups.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
MobiloSignal

Find the best spot for calls and mobile internet by seeing signal strength
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore