Design patterns implemented in Java

Ghidra is a software reverse engineering (SRE) framework

Everything you need to know to get the job.

Free universal database tool and SQL client

Telegram for Android source

a fast, scalable, multi-language and extensible build system

🔥下拉刷新、上拉加载、二级刷新、淘宝二楼、RefreshLayout、OverScroll，Android智能下拉刷新框架，支持越界回弹、越界拖动，具有极强的扩展性，集成了几十种炫酷的Header和 Footer。

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

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

Graphs for Everyone

Quarkus: Supersonic Subatomic Java.

A standalone Java Decompiler GUI

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

The Clojure programming language

FastHub the ultimate GitHub client for Android.

RStudio is an integrated development environment (IDE) for R

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID…

An open source GitHub Android client app, faster and concise.

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

From UI Proposal to Code 🎶▶️

A Music Player for android that renders beautiful DNA(Visualization) of the currently playing music.

Twitter4J is an open-source Java library for the Twitter API.

MARY TTS -- an open-source, multilingual text-to-speech synthesis system written in pure java

Tool for create complex morphing animations using VectorDrawables (allows morphing between any pair of SVG images)

🔥 An incomprehensible hellscape of spaghetti code.

Programming in MS Paint

Wasabi A/B Testing service is an open source project that is no longer under active development or being supported

Isometric drawing library for Android