Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3

Haxe - The Cross-Platform Toolkit

Apache Groovy: A powerful multi-faceted programming language for the JVM platform

A high performance scripting language hosted on the JVM.

The Lux Programming Language

Алгоритмы, паттерны, подготовка к собеседованиям, статьи и материалы по Java

An artifact of fully-specified annotations to power static-analysis checks, beginning with nullness analysis.

Lucee is a high-performance, open-source CFML server written in Java. Supporting JDBC, Caching, Parallelism, HTTP, ORM, REST, S3 and dynamic Java integration, Lucee is great for developers aiming to build fast, scalable applications, delivering faster startup, rapid compilation and better runtime performance.

Slack Developer Kit (including Bolt for Java) for any JVM language

The Gosu programming language

A fast and robust web server and application server for C++,Python,Lua ,Java language

💊JVM 底层原理解析

A curated list of awesome resources for Graal, GraalVM, Truffle and related topics

Armed Bear Common Lisp <git+https://github.com/armedbear/abcl/> <--> <svn+https://abcl.org/svn> Bridge

The VLINGO XOOM platform SDK for the type-safe Actor Model, delivering Reactive concurrency, high scalability, high-throughput, and resiliency using Java and other JVM languages.

Write your shell scripts on the JVM (java, kotlin, groovy, etc.)

JVM related (Java, Groovy, Scala, Kotlin, etc) samples for the Raspberry PI, relying on PI4J. IoT and friends.

Yet Another JVM/LLVM Dynamic Language (LLVM Backend WIP)

A suite of tools including a framework for creating Java Agents, for aspect-oriented tooling for distributed systems.

Ahead-of-time compiler for Chocopy, a statically typed subset of Python 3, built in Python 3, targeting CIL/CLR, JVM, LLVM IR, and WASM.