Best Free Distributed Systems Software

Open-source APM for cloud‑native microservices

A realtime, distributed messaging platform for fault‑tolerant microservices.

Java-based RPC and microservice framework

Automatic work journal and time tracker

Local-first code intelligence graph for efficient code reviews

Monitor Kafka clusters with synthetic workloads

Secure, private budgeting for individuals and households

Own your intelligence with a powerful local-first agent experience

Distributed key-value store for shared configuration and service discovery