Parallel Collectors is a toolkit easing parallel collection processing in Java using Stream API.

TDA - Thread Dump Analyzer (for Java). Analyze your Thread Dumps with a GUI or use it as MCP Server.

A promise library & concurrency toolkit for Clojure and ClojureScript.

Safe direct-style streaming, concurrency and resiliency for Scala on the JVM

Helidon 4.x - RING clojure adapter

Actor4j’s core implementation separates SDK and runtime, enabling flexible execution models.

a lightweight, ultra-performant, zero dependency JDK http server implementation with http2 and websockets - designed for embedding and optimized for virtual threads

Bot to convert media into Telegram stickers

基于最新的Java 25和SpringBoot 4.x。根据eladmin项目进行改造。整合常用的Components.

Library for interoperation between RxJava 3 and JDK 21+ Virtual Threads

In this project, we’ll create six apps using Spring Boot, Quarkus, and Micronaut. For each framework, one app will use blocking Web with Tomcat, and the other will use non-blocking Reactive with Netty. We’ll build both JVM and Native Docker images. For Spring Boot, additional images will test configurations with Virtual Threads, CDS, and AOT

A Java library to make code more virtual thread friendly

Reference implementation toolkit for writing composable applications

An investigation and comparison between Kotlin and Java on an engineering level. Since beauty is in the eye of the beholder, this repository is not meant to evaluate Java or Kotlin on an aesthetic level.

'Concurrent programming in Java with virtual threads' article and source code.

Vert.x Virtual Threads

Demo app and JUnit tests illustrating the most useful concurrency mechanisms in Java

Xunamate copy that went too far

Zero-dependency Java library for real-time currency exchange rates. Supports 165+ currencies (ISO 4217), 5 providers with automatic failover, TTL caching, and parallel queries on Java 21+ via virtual threads. Works on Java 8 through Java 25+, Android-compatible.

🎨 Kotlin Multiplatform playground!