JDK main-line development https://openjdk.org/projects/jdk

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

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Vert.x is a tool-kit for building reactive applications on the JVM

✅ The programmer-friendly testing framework for Java and the JVM

Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.

Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps …

https://openjdk.org/projects/code-tools/jmh

Deeplearning4j Examples (DL4J, DL4J Spark, DataVec)

JSON to JSON transformation library written in Java.

The easiest way to integrate Maven into your project!

Apache Jena, A free and open source Java framework for building Semantic Web and Linked Data applications.

https://openjdk.org/projects/valhalla

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Ve…

Universal Resolver implementation and drivers.

Instant no code DATA API platform for relational databases. Connect any database, run anywhere. Power your GENAI application function/tools calls in seconds.

Eclipse RDF4J: scalable RDF for Java

Jakarta JSON Processing

JSON Canonicalization Scheme (JCS)

Java implementation of RFC 7049: Concise Binary Object Representation (CBOR)

HDT Java library and tools.

Enables GraalVM Native Image support for Google Cloud Java Client Libraries.

Google Cloud Services Quarkus Extensions

Enola 🕵🏾‍♀️ Holmes was an SRE.

A Java implementation of multibase

Collection of common Jackson datatype modules not part of other multi-project repos

Java library for working with Schema.org data in JSON-LD format

Joy is yet another implementation of Jakarta JSON Processing API (JSON-P)

Jena extensions - Refactoring of the jena sparql api

An implementation of the Universal RDF Dataset Normalization Algorithm (2015), using the Titanium JSON-LD library