Introducing relaycore

A minimal, zero-dependency library for stream processing, event handling, and asynchronous composition with a focus on ergonomics and type safety.

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Setup

Install the latest version in seconds:

brew install org-relaycore

Version 3.8.2 · Last updated 2026-06-09 · 10k+ weekly downloads

Start here

• Performance tuning for high throughput
• Handling errors and retries like a pro
• Local development and debugging
• Streaming data from Kafka in under a minute

Why relaycore

• Built-in batching, retry logic, and circuit breakers.
• Streams, queues, and pub/sub unified under one API.
• Streams, queues, and pub/sub unified under one API.
• Built-in batching, retry logic, and circuit breakers.

Community

Join 6,776 developers using relaycore in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @relaycore on Twitter for updates.

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