Design patterns implemented in Java

Google core libraries for Java

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

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Continuous Inspection

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

Runtime code generation for the Java virtual machine.

Java 1-24 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

LIBSVM -- A Library for Support Vector Machines

Soot - A Java optimization framework

State of the art mutation testing system for the JVM

Java JNA wrapper for Tesseract OCR API

Pure Java speech recognition library

An awesome code differencing tool

Terminal-based progress bar for Java / JVM

Cobertura

Modelio is a modeling solution offering a wide range of functionalities based on the main standards of enterprise architecture, software development and systems engineering.

EvoSuite - automated generation of JUnit test suites for Java classes

Java Runtime Compiler

MOA is an open source framework for Big Data stream mining. It includes a collection of machine learning algorithms (classification, regression, clustering, outlier detection, concept drift detecti…

Code metrics for Java code by means of static analysis

Software development bots for Github. Join the bot revolution! 🌟🤖🌟💞

A Free and Open Source Java Framework for Multiobjective Optimization

Now redundant weka mirror. Visit https://github.com/Waikato/weka-trunk for the real deal

NetBeans Plugin for Scala

Visualization and comparison of sorting algorithms

Automatic program repair for Java with generate-and-validate techniques ✌️✌️: jGenProg (2014) - jMutRepair (2016) - jKali (2016) - DeepRepair (2017) - Cardumen (2018) - 3sfix (2018)

The Watchmaker Framework for Evolutionary Computation