Adds static typing to JavaScript to improve developer productivity and code quality.

Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.

Simple, fast & type safe code that leverages the JavaScript & OCaml ecosystems

Performant type-checking for python.

The core OCaml system: compilers, runtime system, base libraries

A composable build system for OCaml.

Context sensitive completion for OCaml in Vim and Emacs

Tidy, feature-complete Web framework

opam is a source-based package manager. It supports multiple simultaneous compiler installations, flexible package constraints, and a Git-friendly development workflow.

V2 of Real World OCaml

Jane Street Capital's standard library overlay

Compiler from OCaml to Javascript.

Standard library for OCaml

Multicore OCaml

Auto generation of idiomatic bindings between Reason and JavaScript: either vanilla or typed with TypeScript/FlowType.

Sinatra like web toolkit for OCaml

OCaml Language Server Protocol implementation

An OCaml library for HTTP clients and servers using Lwt or Async

OCaml promises and concurrent I/O

A language server for reason, in reason

Concurrent Programming with Effect Handlers

Parser combinators built for speed and memory efficiency

GraphQL servers in OCaml

Auto-formatter for OCaml code

A high performance, memory efficient, and scalable web server written in OCaml

Effects-based direct-style IO for multicore OCaml

Batteries Included project

A lightweight, modular standard library extension, string library, and interfaces to various libraries (unix, threads, etc.) BSD license.

A lightweight and colourful test framework

Functional HTML scraping and rewriting with CSS in OCaml