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Tags: Backend and APIs
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25–43 of 43 · Most stars

Email library for Crystal. Testable, adapter-based, and catches bugs for you. Comes with an adapter for SendGrid.

  • crystal-lang
  • email-sender
  • hacktoberfest

A simple & highly extendable, meta-notification system; Echo checks notification preferences & dispatch notifications to different adapters (ex. email, logger, analytics, sms, etc.).

Typed, validated config from process.env, .env files, or any object, on Node, Bun, Deno, Cloudflare Workers, and the browser. No runtime dependencies.

Perl module for encoding and decoding JSON in a minimalistic way, based on Mojo::JSON, adapted to stand alone.

Elysia-style MQTT application framework. Compose broker adapters, middleware, topic routers, validation, and services.

  • aedes
  • asyncapi
  • bun
  • elysia

Production-grade Server-Sent Events (SSE) for Fiber v3. Event coalescing, priority lanes, topic wildcards, adaptive throttling, built-in auth, Prometheus metrics, graceful drain.