A reference implementation of a JSON package in Java
GraphQL Java implementation
High-quality QR Code generator library in Java, TypeScript/JavaScript
Apache Log4j 2 is a versatile, feature-rich, efficient logging API
Hibernate's core object/relational mapping functionality
Alpakka is a Reactive Enterprise Integration library for Java
Animated illustrations, one-click data structure
Cucumber for the JVM
Identity & Single Sign On for all earthlings and beyond
Cross-platform, cross-blockchain wallet library
Simplifies the development of creating a JPA-based data access layer
A durable Datalog implementation adaptable for distribution
Clojure & ClojureScript Language Server (LSP) implementation
Proxy: Next Generation Polymorphism in C++
A Python 3 implementation built on GraalVM
Java libraries for writing microservices
Examples, server integrations for generating Swagger API Specification
Annotation processor to create immutable objects and builders
Manifold is a Java compiler plugin, features include Metaprogramming
Cucumber for Ruby
A scalable web crawler framework for Java
An implementation of the DNS protocol in Java
A production-grade java implementation of RAFT consensus algorithm
Simple Binary Encoding (SBE) - High Performance Message Codec
A simple mock implementation of the AWS S3 API startable as Docker