Design patterns implemented in Java

Free and Open Source, Distributed, RESTful Search Engine

Ghidra is a software reverse engineering (SRE) framework

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

Render After Effects animations natively on Android and iOS, Web, and React Native

An image loading and caching library for Android focused on smooth scrolling

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

🔥 Android developers should collect the following utils(updating).

Browse media content with your own rules on Android TV

Telegram for Android source

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

Apache Flink

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

Bind Android views and callbacks to fields and methods.

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

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

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

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

RxJava bindings for Android

Implementation of ImageView for Android that supports zooming, by various touch gestures.

High Performance Inter-Thread Messaging Library

A fast dependency injector for Android and Java.

Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.

Zipkin is a distributed tracing system

Modular and customizable Material Design UI components for Android

Powerful and flexible library for loading, caching and displaying images on Android.

The official home of the Presto distributed SQL query engine for big data

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

Logstash - transport and process your logs, events, or other data