Development Tools

Opium – Sinatra like web toolkit

Opium is a Sinatra like web framework for OCaml.

The toolkit is based on http/af (a A high performance, memory efficient, and scalable web server) and lwt (a concurrent programming library for OCaml).

Opium is free and open source software.

It is designed to be:

  • Very small and easily learnable. A programmer should be instantly productive when starting out.
  • Extensible using independently developed plugins. This is a Rack inspired mechanism borrowed from Ruby. The middleware mechanism in Opium is called Rock.

Website: github.com/rgrinberg/opium
Support: Documentation
Developer: Rudi Grinberg
License: MIT License

Opium is written in OCaml. Learn OCaml with our recommended free books and free tutorials.


Related Software

OCaml Web Frameworks
DreamEasy-to-use, feature-laden, low-level boilerplate-free web framework
EliomFramework for building client/server web and mobile applications
OpiumSinatra like web toolkit based on http/af and lwt
morphTiny web framework for Reason and OCaml
ocaml-webmachineREST toolkit for OCaml

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