Livery is a BEAM-native web framework that serves the same router and middleware over HTTP/1.1, HTTP/2, and HTTP/3 from a single runtime.
WebSocket, WebTransport, Server-Sent Events, OpenAPI, MCP, and observability are provided as built-in modules.
This is free and open source software.
Key Features
- Serve HTTP/1.1, HTTP/2, and HTTP/3 using the same handlers, routing, and middleware.
- Tower-style composable middleware pipelines for inbound and outbound requests.
- Streaming support including chunked responses, Server-Sent Events, NDJSON, WebSocket, and WebTransport.
- Generate OpenAPI 3.1 documents and serve Redoc or Swagger UI.
- Validate request bodies against a JSON Schema subset.
- Built-in Model Context Protocol (MCP) Streamable HTTP transport.
- OpenTelemetry-style tracing and metrics.
- JWT, JWKS, OIDC, signed sessions, and token introspection support.
- HTTP client with middleware for timeouts, retries, circuit breaking, and load balancing.
- File responses with byte range support.
Website: github.com/benoitc/livery
Support:
Developer: Enki Multimedia
License: Apache License 2.0
Livery is written in Erlang. Learn Erlang with our recommended free books and free tutorials.
Related Software
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| Zotonic | Web framework and content management system |
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| N20 | Embeddable message protocol loop library |
| Chicago Boss | Offers all the conveniences of modern web development, including Comet |
| Nova | Build a fault-tolerant and distributed web application |
| Axiom | Micro-framework for web applications |
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