A DLNA, UPnP and HTTP(S) Media Server.

Soot - A Java optimization framework

Slide is an open sourced, ad free Reddit browser for Android

The Data Transfer Project makes it easy for people to transfer their data between online service providers. We are establishing a common framework, including data models and protocols, to enable direct transfer of data both into and out of participating online service providers.

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

SVG library for React Native, React Native Web, and plain React web projects.

Material design file manager for Android

🔥 Seata is an easy-to-use, high-performance, open source distributed transaction solution.

A decentralized bitcoin exchange network

OWASP VulnerableApp Project: For Security Enthusiasts by Security Enthusiasts.

Java Bindings for V8

📱 Nextcloud Android app

an easy-to-use dynamic service discovery, configuration and service management platform for building cloud native applications.

Free universal database tool and SQL client

Cruise-control is the first of its kind to fully automate the dynamic workload rebalance and self-healing of a Kafka cluster. It provides great value to Kafka users by simplifying the operation of Kafka clusters.

The SpotBugs plugin for security audits of Java web applications and Android applications. (Also work with Kotlin, Groovy and Scala projects)

Strongbox is an artifact repository manager.

An Android library for managing images and the memory they use.

Apache Dubbo is a high-performance, java based, open source RPC framework.

Free and open source log management

The Kubernetes-Native IDE for Developer Teams

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

A podcast manager for Android

Open source routing engine for OpenStreetMap. Use it as Java library or server.

Terasology - open source voxel world

Open Source, Distributed, RESTful Search Engine

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

Social share, sending simple data to other apps.

React Native Contacts

A libre lightweight streaming front-end for Android.

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

Build cross-platform Native Progressive Web Apps for iOS, Android, and the Web ⚡️

Distributed Workflow Engine for Microservices Orchestration

📲cim(cross IM) 适用于开发者的分布式即时通讯系统

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...

Vespa is an engine for low-latency computation over large data sets.

CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of machine data in real-time.

Open Source In-Memory Data Grid

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.

Graphical Java application for managing BibTeX and biblatex (.bib) databases

The OWASP ZAP core project

A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)

Quarkus: Supersonic Subatomic Java.

APM, Application Performance Monitoring System

An extensible multilanguage static code analyzer.

Allure Framework is a flexible lightweight multi-language test reporting tool. It provides clear graphical reports and allows everyone involved in the development process extract maximum of information from everyday testing process.