System

WallpaperExport
Export the current and the default wallpaper

Canta
Uninstall any app without root!

Pineapple Lock Screen (OSS)
Help you turn your phone screen off (lock screen) without using power button.

Kvaesitso
A search-focused, free and open source launcher for Android

Permission Manager X
eXtended Permission Manager - a small app to manage permissions and AppOps

Aurora Store
An unofficial FOSS client to Google Play with an elegant design and privacy

DroidRec
Record screen

Simple Keyboard
Easy keyboard for inserting all kinds of texts, special characters and numbers

Neo Backup
The open-source tool to backup your apps and data

Unlauncher
Freedom from your phone - a clean and simple Android launcher experience!

ReLaunchX
Launcher for eInk/eBook devices

OpenLauncher
Launch applications and manage homescreen

Material Files
Open source Material Design file manager

TTL Changer
An app to change default TTL value

Key Mapper
Unleash your keys! Open source!

Simple SMS Messenger
SMS messaging and MMS messaging app for Android, send messages fast, nice UI

App Manager - Android package manager
A full-featured open source package manager for android.

DataBackup
Back up/Restore your data.

Activity Manager
Advanced activities and shortcuts launcher

Barcode Scanner
A free app which allow to read and generate barcodes.

KDE Connect
KDE Connect integrates your smartphone and computer

TimeLimit.io
Flexibly limit the usage duration

Simple Launcher
A practical and customizable launcher for launching your favorite apps easily

Simple File Manager Pro
Handy file explorer for easily searching or organizing your files and folders

Simple Dialer
Manage phone calls with this simple phone dialer app with phonebook

Simple Clock
Combination of a beautiful clock widget, alarm clock, stopwatch, timer

Ghost Commander
Dual-panel file manager

Gadgetbridge
Use your smart watch and other bluetooth devices and keep your data private!

Simple Notes Pro
To do list widget with a notebook organizer, checklist, simple shopping list

Bangle.js Gadgetbridge
Android companion app for Bangle.js built on top of the Gadgetbridge project.