Open source alternative to Auth0 / Firebase Auth / AWS Cognito

A damn simple library for building production-ready RESTful web services.

Enso Analytics is a self-service data prep and analysis platform designed for data teams.

🚀 Lightning fast and elegant mvc framework for Java8

Java bindings for Skia

Runtime environment based on OpenJDK for running IntelliJ Platform-based products on Windows, macOS, and Linux

Internet search engine for text-oriented websites. Indexing the small, old and weird web.

Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!

Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.

This language client library provides language server protocol support for IntelliJ IDEA and other Jetbrains IDEs.

Talos Particle Engine

ORIPA is a drawing software dedicated to designing the crease patterns of origami. The unique feature of ORIPA is calculation of the folded shape from the pattern.

The Ludii general game system, developed as part of the ERC-funded Digital Ludeme Project.

Declarative UI for Java

Narrative scripting/programming tool. Write stories in your favorite editor using a feature-rich language, compile them into a very small and simple language to easily integrate them into your game.