Ghidra is a software reverse engineering (SRE) framework

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Free universal database tool and SQL client

Dex to Java decompiler

A libre lightweight streaming front-end for Android.

Open Source Identity and Access Management For Modern Applications and Services

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

Desktop/Android/HTML5/iOS Java game development framework

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

A fast dependency injector for Android and Java.

Graphs for Everyone

The ZAP by Checkmarx Core project

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Git Server with CI/CD, Kanban, and Packages. Seamless integration. Unparalleled experience.

Generate diagrams from textual description

No clever tagline needed.

A free, secure and open source app for Android to manage your 2-step verification tokens.

OpenRefine is a free, open source power tool for working with messy data and improving it

MCP Server for Ghidra

Leading free and open-source face recognition system

An AI-powered next-generation open source real-time observability system.

OsmAnd

Main Liquibase Source

Open source Old School RuneScape client

Cyberduck is a libre FTP, SFTP, WebDAV, Amazon S3, Backblaze B2, Microsoft Azure & OneDrive and OpenStack Swift file transfer client for Mac and Windows.

Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance

A markdown editor that you can deploy on your own servers to achieve cloud storage and device synchronization（支持私有部署的云端存储双链笔记软件）

Android audio forwarding PoC (scrcpy, but for audio)

Lightning fast, open-source, < 250kb Android launcher

AFWall+ (Android Firewall +) - iptables based firewall for Android