Ghidra is a software reverse engineering (SRE) framework

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

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

An Android NFC app for reading, writing, analyzing, etc. MIFARE Classic RFID tags.

A decentralized bitcoin exchange network

Deprecated Bitcoin Wallet

Audio plugin manager. Desktop application to manage VST / AU / LV2 plugins on Windows, MacOS and Linux.

Phone/Watch app that provides a new notification system along with other features for Amazfit Pace/Stratos/Stratos3/Verge watches

Image stego app using the F5 algorithm

A Java program to decode DMR radio transmissions

Hodoku is a solver/generator/trainer/analyzer for standard sudoku.

A reverse-engineered implementation of the Chirp data-over-audio protocol.

Bitcoin paper wallet

Allows your device to communicate in an electronic sound language. Follow us on twitter: https://twitter.com/qrtone. Demo App in https://universite-gustave-eiffel.github.io/qrtone/

This HoDoKu is my modifications to hobiwan's 2.2.0 Hodoku.jar [HoDoKu - v2.2.0 (Build 116)]

Opensource Nord Modular Editor

Android Password Manager for TREZOR

Lightweight Android Bitcoin Receive-Only Application