JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.

ZeroMQ core engine in C++, implements ZMTP/3.1

A curated list of Rust code and resources.

Circuit breaker built with large Ruby apps in mind.

Racecar: a simple framework for Kafka consumers in Ruby

Distributed mutex using Redis

Techniques and numbers for estimating system's performance from first-principles

Optimized JSON

Transactional outbox pattern for Rails

A lightweight message queue. Like AWS SQS and RSMQ but on Postgres.

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems