← All apps

System & tool apps

Launchers, keyboards, file managers and utilities.

page 17

Obtainium

Get Android app updates directly from the source
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
ObtainX

A supercharged Obtainium: get Android app updates straight from the source.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Octal Sun Time

A clock for solar time in the octal number system
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
OctoDroid

Provides access to GitHub and lets you stay connected with your network
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OctoLab

Native Android client for GitLab, including self-hosted instances
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OG Network Tools

A modern network toolbox built to feel like original android apps.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OGN AR Viewer

Experimental augmented reality client to the Open Glider Network (OGN).
- System & tools
- FOSS
- Free
- No ads
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Oksigenia SOS

Smart safety and distress alerts with fall and inactivity detection.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Olauncher

Minimal launcher app with daily new wallpaper
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Old North Arabian for ASK

AnySoftKeyboard Old North Arabian Language pack
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
OnePlus ARB Checker

Check Anti-Rollback (ARB) index for OnePlus devices to ensure safe updates.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OnePlus Flash Control

Advanced LED control for OnePlus (root required)
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OnePlus Laser Tool

Professional laser rangefinder for OnePlus devices with Laser AF hardware.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OneTimeAlarm

Alarm reminders which delete themselves automatically after firing.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
OnionShare

Securely and anonymously share files using the Tor network
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
OnStop2FinishAndRemoveTask

If change other app, Auto close task in prev app. Required Shizuku APP.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OnTime - Presentation Timer

Presentation timer for speakers at live events
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
OOS Firmware Extractor

Extract firmware from official Oneplus roms
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Open Alert Viewer

Fetch and display server alerts
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Open TimeLimit

Simply limit the usage duration
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
OpenCalc

Simple and beautiful calculator for Android
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
OpenDefault

Help opening URLs with default App
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
openDSP-4x4

Open control for the t.racks DSP 4x4 Mini Pro over USB-OTG.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OpenHub

A GitHub client app, faster and concise
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Openlib

download and read books from shadow library (Anna’s Archive)
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
OpenPods

The Free and Open Source app for monitoring your AirPods on Android
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
OpenShift

Adjust screen color values
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
OpenWOL

OpenWOL is a simple, private and efficient Wake-on-LAN app for Android.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
OpenWrt Manager

Manage your OpenWRT device from your phone
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Oriens

Roman Timekeeping (Unequal Hours) Widget
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Osram Remote

An app to turn your phone into a remote for lights
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OSS Tracker

keep track of updates to Open Source Applications directly from the Repositories
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Otic

Minimal Android app to stream microphone input to the local network.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
OUI Lookup and Database

Find a device's manufacturer by its MAC address and browse OUIs assignments
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Package Manager

A powerful application to manage your apps!
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
PadConnect

Turn your phone into a PC game controller
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
PAIesque

Privacy-first fitness tracker with end-to-end encrypted group sharing
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Paintball Notificator

…so that you no longer have to shout across the pitch before a match.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
P
Palette-Cycle

Live Wallpaper with art from Mark Ferrari and Joseph Huckaby's Canvas Cycle Demo
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
PanOSP

Lightweight, configurable AOSP-style quick settings panel for Android.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Paper

Icon theme
- Android only
F-Droid
Paperize - A Wallpaper Changer

Paperize is an efficient wallpaper changer application with a clean design
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
PaperLaunch: Side launcher

Side launcher in material design that launches apps with one gesture
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
PaperTerm

An e-ink-friendly SSH terminal for Android
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Parcel - Pickup code

Extract the address and pickup code from SMS automatically
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
PariDroid

PARI/GP is a computer algebra system designed for computations in number theory
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Party UP!

Share files to a webserver 🦔💨
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Pause

A short, timed pause before chosen apps open, so opening is deliberate.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore