FOSS apps: free and open source

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

page 53

Mock Location that actually works

A reliable mock location provider that actually works to replay GPX tracks.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Modern T9

Predictive T9 keyboard with no network access and no telemetry
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
MoeMemos

An app to help you capture thoughts & ideas
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
MoldQueen

Drive Mould King building-block RC toys over Bluetooth
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
MoLe

Convenient front-end to hledger-web
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Momentum

App to make Montages easily
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Momkin

See what is being said
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Mondstern Acrylic Icons

Mondstern's acrylic art as an Android icon pack
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Money Logs

Financial Record Manager App
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Money Manager Ex

Manage your finances on-the-go, encrypted for security, sync via your storage
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Money Tracker

Track your money easily and fully free
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
MoneyBuster

Multi-project shared budget manager able to sync with self hosted FOSS services
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
MoneyWallet

Expense Manager
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Monica F-Droid

Open-source password manager: local encryption, autofill, TOTP, Passkey
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Monkeyboard Keystone Radio

Monkeyboard FM & DAB/DAB+ radio interface
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Monly

Monly is an awesome budget planner
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
monocles browser

A web browser that respects your privacy.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
monocles chat

is a full-featured XMPP chat client
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
monocles social

monocles social is based on mastodon. A privacy friendly social network.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
monocles translator

monocles translation a safe and private translator
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
MonsterMusic

A Music Player with Equalizer and more
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Mood Cairns

Private, fully offline mood tracker with tags and charts. No network access. You
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Mooltifill

Use the Android Autofill service with the Mooltipass BLE hardware authenticator
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Mooneva Cycle – Period Tracker

Private period & cycle tracker. Offline, encrypted, no account, no ads.
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Moonlight Game Streaming

Play games from your PC on Android
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
MorbidMeter

Life expectancy widget
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
More for GO

More For Pokemon GO
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
moreDays

A motivation app with journaling
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
MOROway App

Play with the MORO model railroad…
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
MorphCook

every diet gets the whole cookbook. vegan döner included. works offline.
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Morse

Translate text to Morse code or vice versa in real time
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Morse Trainer

Learn to receive morse code
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Moscow Wi-Fi autologin

Automatically connect to public networks of Moscow public transport
- System & tools
- FOSS
- Free
- No ads
- Android only
F-Droid GitHub
Moshidon

Mastodon for Android but it's Material You and has more features
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
motd

Native IRC client with a modern chat interface
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Motion Eye

Stream and connect all of your Surveillance network cameras
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Motion-UI

A web interface to manage your own NVR with motion.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
MotionEye Client for Android
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
MotionLock

Keeps your device locked
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Motivational App

A tiny joke app that gives you brutally direct motivation in one tap.
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
mOTP

One-time password generator
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
MoveAPiece: Offline Chess

Offline chess vs Stockfish or Maia, opening trainer, Pegasus & Chessnut boards
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
MovieFlix

Cinephile's Movie Diary
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
MPD

A flexible, powerful, server-side application for playing music
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
M
mpv remote

Android application to control mpv running on another computer.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
mpv-android

Listen to music and watch videos
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
mqvpn

Multipath VPN combining Wi-Fi and cellular for bonding and failover
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
MRMCD 2026 Schedule

Schedule for the MRMCD conference
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore