Telegram for Android source

Learn System Design concepts and prepare for interviews using free resources.

Orchestrate everything - from scripts to data, infra, AI, and business - as code, with UI and AI Copilot. Simple. Fast. Scalable.

Arduino IDE 1.x

Java JsonPath implementation

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

Digital logic design tool and simulator

JanusGraph: an open-source, distributed graph database

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

Android USB host serial driver library for CDC, FTDI, Arduino and other devices.

A digital logic designer and circuit simulator.

Angry IP Scanner - fast and friendly network scanner

We are on codeberg.org now! https://codeberg.org/Freeyourgadget/Gadgetbridge - Gadgetbridge - A free and cloudless replacement for your gadget vendors' closed source Android applications. Supports …

An Android Bluetooth Low Energy (BLE) Library with RxJava3 interface

Here I list down all of the high-quality blogs that I publish on my website.

Electronic Circuit Simulator in the Browser

Copylefted libre / open source YouTube player for Android

[Archived, FORK: https://github.com/NihilityT/MiPushFramework] Let supported push service run system-ly on every Android devices

Open-source weight and body metrics tracker, with support for Bluetooth scales

Add-ons for openHAB

Asciidoc Editor and Toolchain written with JavaFX 21 (Build PDF, Epub, Mobi and HTML books, documents and slides)

An NFC research toolkit application for Android

Android OBD diagnostics with any ELM327 adapter

📡 Native App over HTTP, on Android

Official Todo.txt Android app for managing your todo.txt file stored in Dropbox.

A modern, easy and customizable app manager for Android with Material Design

Useful examples for Developing apps with the Chromium based WebView

Easy drawable animation using beziers curves.

Core framework of openHAB