A fast object pool for the JVM

Open-source, scalable, and fault-tolerant MQTT broker able to handle 4M+ concurrent client connections, supporting at least 3M messages per second throughput per single cluster node with low latenc…

An emulation engine to improve Warcraft III modding

Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.

Kronotop is a Redis-compatible, distributed and transactional document database backed by FoundationDB.

A library that provides an embeddable, persistent key-value store for fast storage.

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.

🏗 Build container images for your Java applications.

A caching library with advanced concurrency features designed to make I/O heavy applications robust and highly performant

Hello eBPF world! Hello Java world! Let's discover eBPF together and write Java user-land library along the way.

Java agent that detects file handle leak

Resilience4j is a fault tolerance library designed for Java8 and functional programming

A small Java 8 library (string manipulation, BiStream, Structured Concurrency, SQL Templates)

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

Circuit Breaker implemented in Go

Vitess is a database clustering system for horizontal scaling of MySQL.

Limbo is a project to build the modern evolution of SQLite.

Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Pharo is a dynamic reflective pure object-oriented language supporting live programming inspired by Smalltalk.

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

Roadmap and Resource Compilation for System Design Fight Club

A toy JVM coded in C/C++

Official Git mirror of the SQLite source tree

Lynx browser from lynx.isc.org

Fast, indexed regexp search over large file trees

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

Time zone database and code

Portable OpenSSH

⭐️ A friendly language for building type-safe, scalable systems!