💫 Toolkit to help you get started with Spec-Driven Development

A modern implementation of protoc to serialize, deserialize and generate java sources from protobuf schemas

A performance optimized Google Protocol Buffers code generator, parser, and Gradle module.

Java Protobuf implementation suitable for real-time enviroments

ToolHive makes deploying MCP servers easy, secure and fun

A Java version of simdjson, a high-performance JSON parser utilizing SIMD instructions

A simple and modern Java and Kotlin web framework

"Hacker's Delight" in Go

Cache for big values in Go

Virtual-thread based safe concurrency & streaming

Java libraries for writing microservices

tiny java tool - back to basics!

Build parsers in Java

A controlled concurrency testing framework for the JVM

The complete code for "Master Hexagonal Architecture in Rust"

An extremely fast Python package and project manager, written in Rust.

Parses Java garbage collection logging and analyzes collectors, safepoint triggers, JVM version, JVM options, and OS information and reports error/warn/info level analysis and recommendations to su…

Tektite DB

Checklist for code reviews

The financial transactions database designed for mission critical safety and performance.

A Simple showcase for the Sea-of-Nodes compiler IR

Extremely fast Query Engine for DataFrames, written in Rust

A maven plugin that allows you to check (or determine) the next version of your module, based on the rules of Semantic Versioning.

xctrace (a.k.a. Instruments) based profiler for JMH

git commit --fixup, but automatic

A configuration as code language with rich validation and tooling.

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and m…

XChart is a light-weight Java library for plotting data.