FOSS apps: free and open source

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

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N-Zik

A modern, multilingual YouTube Music client for Android with offline support.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Naija Ludo +

Naija Ludo: A Modern Twist on the Classic Board Game
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
N
Nani?

Offline Japanese dictionary
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Nanji clock widget

Clock widget for language learners
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
NanoLedger

Data entry app for plain text accounting
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
NASA APOD for Muzei

NASA Astronomy Picture of the Day for Muzei
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
NASA Images

Show images and their info from NASA repository
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
NATINFo+

Advanced NATINF (NATure INFraction) search, offences under French law
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
National Geographic for Muzei

National Geographic pictures for Muzei
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Navic

A modern Navidrome client for Android and iOS
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Navit

Car navigation system
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Navy Fleet Battle

The classic Russian sea battle game, for one player or two
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
NC Passwords

A password manager app for Nextcloud's Passwords app
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid
NCarousel

Nextcloud wallpaper carousel (WebDAV)
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
NClientV3

A configurable manga client for Android. Fork of NClientV2.
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
NeatLauncher

A neat and convenient launcher without icons.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Nebula HDR screensaver

GPU-accelerated HDR nebula fly-through screensaver
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
NeionLauncher

<25KB size Android Launcher
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Nekome

Keep track of your anime and manga, through the use of the Kitsu API.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
NekoVideo

Open-source local video player with folders, private content and DLNA cast
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Neo Backup

The open-source tool to backup your apps and data
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Neo Store

A modern feature-rich F-Droid client.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Neo2 External Keyboard

Supports the Neo2-Layout when using a physical keyboard.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
NeoDB You

A native Android app for NeoDB designed with Material 3/You.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
NeoLinker

Linkup sub-engine: select browser to open link
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Neon

Scrolling text on fullscreen like boarding
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
NeoStumbler

Application for collecting wireless networks to geolocation services
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
NerdCalci

Calculator for nerds with variables, syntax highlighting, and file sessions
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
NerdSteam

Discover trending games, player and price statistics, and detailed from Steam
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Neruppu

Offline-first physical security monitoring using device sensors
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
NetGuard

A simple way to block access to the internet per application
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
NetSwitch

Connectivity widget
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
NetToggle

5G network control with custom Quick Settings cycles, shortcuts and automation
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
N
Network

Shortcut to network info and settings
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Network Scanner - WiFi & IP

Who's on my WiFi? Find every device, its IP address & open ports. No ads.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Network Survey

Displays and Logs Cellular, Wi-Fi, Bluetooth, and GNSS Network Survey Details
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Network Tools Library

This is the sample application from Android Network Tools open source library
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Neumorphic Calculator

A sleek, customizable calculator with a soft, modern, neumorphic-inspired design
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Neuron Encrypt

Local file encryption. No accounts. No internet. No compromise.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
NewPass

Securely store and manage passwords of your digital realm with NewPass.
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
NewPipe

Lightweight YouTube frontend
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
News

Feed reader and podcast player for Android
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
News Provider

A simple and easy to use RSS aggregator that deliver news to your smartphone
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
News Reader

Minimalistic yet powerful news reader with text to speech capability
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
NewsBlur - News reader

News reader
- Internet
- FOSS
- Free
- In-app purchases
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
NexNode for Linode Cloud

Manage Your Linode Cloud with NexNode
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Next Actualités informatiques

Check out french Next computer news (even without an Internet connection)!
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Next Player

A simple material you video player based on Media3
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore