linear time regular expression matching in Java

Liza is a light, experimental framework primarily developed to help study the Ruby language and the Ruby ecosystem.

Easy way to get started experimenting with the JDK Flight Recorder and the JMC core classes.

A DFA regex engine in java.

Prism Ruby parser

UNIX domain sockets (AF_UNIX) for Java

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with…

Content-Security-Policy Violation Recorder

Comparative ruby web application benchmarks with a large number of routes

GoRuby, an implementation of Ruby written in Go

Thor Hammer and a way to express invokedynamic in Java

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

Compile WebAssembly to JVM and other WASM tools

a wrapper over the lmax.disruptor for JRuby

Desktop chat client for Google Hangouts

Rembulan, an implementation of Lua 5.3 for the Java Virtual Machine

A nicer interface for OLE on MS Windows using pure Ruby

Soot - A Java optimization framework

An experiment in publishing code and words about code on a small scale.

Coercion for Jruby and java types

A small library on top of ASM that generates optimistically typed bytecodes for dynamically typed JVM based languages

JVM-based interpreter for the R language for the statistical analysis.

Bare metal NOSQL DB

JPHP - an implementation of PHP on Java VM

Tim Bray's pure-Ruby XML parser

Java port of a concurrent trie hash map implementation from the Scala collections library

Rack for JRuby and Java appservers

Warbler chirpily constructs .war files of your Ruby applications.

Rhino is an open-source implementation of JavaScript written entirely in Java