Top QUEUEING GitHub Repositories & Tools (2026)

Build a system, load it until it breaks, and watch why. A system design simulator for learning distributed systems.

Warteschlangensimulator is a free, platform independent, discrete-event, stochastic simulator which allows to model queueing systems in form of flowcharts.

Core package for defining and running durable workflows and activities. Supports long-running persistent workflows, retries, queues, parallel execution, workflow monitoring, dedicated storage connections, and orchestration for microservices, data pipelines, sagas, agentic workflows, and other complex business processes.