A high performance caching library for Java

Distributed Prometheus time series database

A networking framework that evolves with your application

TuplDB is a high-performance, concurrent, transactional, scalable, low-level embedded database.

Evolving the Prometheus exposition format into a standard.

Just a bunch of useful links

A stats collection and distributed tracing framework

A tool for secrets management, encryption as a service, and privileged access management

OpenTracing API for Java. 🛑 This library is DEPRECATED! https://github.com/opentracing/specification/issues/163

Zipkin is a distributed tracing system

Apache Kafka - A distributed event streaming platform

Apache Storm