← All apps

System & tool apps

Launchers, keyboards, file managers and utilities.

page 12

IPerf3Client

iPerf3 is a tool for active measurements of the max bandwidth on IP networks.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
IPFSDroid

IPFS Tool
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Iris Keyboard

Advanced FOSS keyboard with AI Copilot, translation, and key sound synthesis
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Irregular Expressions

Virtual keyboard for writing expressive messages in various text styles
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Is it Prime

Prime number check.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
IsMyWebsiteUp

Handy tool to make sure your website is up, and alert you whenever it is down.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Israel 64 BDay Theme

AnySoftKeyboard theme for Israel 64th birthday.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Italian for AnySoftKeyboard

Italian language pack for AnySoftKeyboard
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
iTracing2

alternative application for iSee/iTag bluetooth device owners
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
iyox Wormhole

Secure, open-source file sharing
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
IzzyOnDroid (unofficial)

An unofficial client for IzzyOnDroid F-Droid Repository!
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid Zapstore
Japanese Traditional Time

Clock widget
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Java OOP Quiz

Tests Your knowledge of Java Object-Oriented Programming.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
JekyllEx

The mobile IDE to create, build, edit, preview, and publish Jekyll sites.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
JetBird

An unofficial, FLOSS, native Android NetBird client built with privacy in mind
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid Zapstore
JioFi Battery Notifier

Battery Notifier for JioFi Device with battery Icon in Notification and Alerts
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
JMP SIM Manager

Companion app for the JMP eSIM Adapter
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
JRPN 16c

Programmer's calculator similar to an HP 16c.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
JSlab

A simple android app for evaluating JavaScript code in a browser context.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Json List

previewing JSON from file or url in a user-friendly list format
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Just 24 Hours

A free and open source app that shows a large digital clock
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
just open links in a browser

Sends links to your real browser instead of an app's built-in one
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
KabelWacht

A simple, free WireGuard VPN client: scan, import, and manage tunnels.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Kachin for AnySoftKeyboard

AnySoftKeyboard Kachin Language pack
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Kandroid (fork)

Manage your projects using Kanboard
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
kboard

Keyboard with customisable one-click responses and powerful automation commands.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
KDE Connect

KDE Connect integrates your smartphone and computer
- System & tools
- FOSS
- Free
- No ads
- No tracking
- iOS
- Android
App Store Google Play Aurora Store F-Droid Zapstore
kDI Device Info system permission

androidSpec(s); GSF, Widevine L1/3, microG, Treble, A/B device infos (+otherIDs)
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Keep it up

Network monitoring
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Keep Screen On

A screen timeout quick settings tile
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
KeepADB

Keep Wireless Debugging active and toggle it from a tile or widget
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
KeepOn - Keep your screen on smartly!

Keep your screen on smartly and easily with Quick Settings.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Key Mapper

Make shortcuts for ANYTHING! Remap volume, power, keyboard, or floating buttons!
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Key Mapper GUI Keyboard

The official companion keyboard for Key Mapper.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Keyboard Switcher

Easily switch between virtual keyboards.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Keysh

Volume buttons handler
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
KeyStoreViewer: App Signatures

Inspect app and APK signing certificates, fingerprints, and public keys.
- System & tools
- FOSS
- Free
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Kinetica

Two-thumb keyboard: both thumbs swipe and tap at once. No network access.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
KISS Launcher

Blazingly fast launcher focused on search
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Klick'r - Smart AutoClicker

Automating clicks based on what is displayed
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Knit

Encrypted mesh chat over Wi-Fi Aware & Bluetooth — no internet, no servers.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Komi Store

App store for GitHub releases - discover and install apps with one click
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Kompanion

Remote control companion for KOReader e-readers
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Kore

Kore, Official Remote for Kodi
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
KouChat

Chat
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub
KryptEY

Keyboard for secure E2EE communication through signal protocol in any messenger
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub
Kuaizi IME

Kuaizi IME is an efficient and fast Chinese Pinyin input method editor.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
KUKSA Companion App

The Companion App for the KUKSA Databroker.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore