Free and Open Source, Distributed, RESTful Search Engine

Ghidra is a software reverse engineering (SRE) framework

Free universal database tool and SQL client

A browser automation framework and ecosystem.

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

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

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

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

A tool for reverse engineering Android apk files

Open-source IoT Platform - Device management, data collection, processing and visualization.

The ZAP by Checkmarx Core project

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Matrix is a plugin style, non-invasive APM system developed by WeChat.

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

Apache Iceberg

A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.

Reformats Java source code to comply with Google Java Style.

A Java to iOS Objective-C translation tool and runtime.

An extensible multilanguage static code analyzer.

Open source version of Google Authenticator (except the Android app)

The WebRTC module for React Native

Angry IP Scanner - fast and friendly network scanner

Decompiler from Java bytecode to Java, used in IntelliJ IDEA.

Process Orchestration Framework

Bundletool is a command-line tool to manipulate Android App Bundles

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

Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.

The Data Transfer Project makes it easy for platforms to build interoperable user data portability features. We are establishing a common framework, including data models and protocols, to enable d…