🔬 Java Code Coverage Library

Jenetics - Genetic Algorithm, Genetic Programming, Grammatical Evolution, Evolutionary Algorithm, and Multi-objective Optimization

A library of useful Stream Gatherers (custom intermediate operations) for Java.

Modern Java: From Java 8 to Java 22. 现代Java案例大全/《Java核心编程》源码

Plays relaxing music in the background

Higher-kinded types, monads and composable effects for Java 25+: the Effect Path API for railway-style error handling, advanced optics (lens/prism/traversal) with code generation for records and sealed types, and Spring Boot integration.

darkhold is a self-hosted alternative emulating the famous classroom quiz portal Kahoot.

基于 java25 + maven3.9 + junit5 + jacoco 的 leetcode + codeforces + atcoder + nowcoder 练习仓库。

Lightweight Java build tool with zero external dependencies. Compiles projects, auto-detects main classes, and generates executable JARs using pure Java 21+. Supports .zb configuration files and automatic source discovery. A simple alternative to Maven/Gradle for straightforward Java projects.

A demo project demonstrating how to read and write data into a Redis-backed state store using Kafka Streams (4.3.1)

Overrun Game Library is a high-performance library implemented with Java 25, enables cross-platform access to a set of C library bindings, and provides some useful utilities.

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.

Screaming Architecture, Clean Architecture, Event-Driven Architecture, Clean Code, DDD, SOLID, Test Pyramid, Patterns (Ambassador, Circuit Breaker, Mediator, Outbox, Result, Retry, Strategy), Java 25, Spring Boot 4, Kong, Keycloak, Kafka, MongoDB, Redis, Elastic, Testcontainers, Docker

A sample RESTful API with Kafka Streams (4.3.1) using Spring Boot (4.1.0) and Java 25.

Spring Boot 4 and Nuxt 4 starter template

Infrastructure-as-code for AI agent workflows

Cargotracker RegisterApp Client written in JavaFX/CDI

Refork of WallJump

Case Study - Geospatial Location with Redis in Spring Boot (Java 25, Spring Boot, Redis, JUnit, Docker, Kubernetes, Github Action (CI/CD), TestContainer)

Discord bot that tells you when stuff is