Open-Awesome
CategoriesAlternativesStacksSelf-HostedExplore
Open-Awesome

© 2026 Open-Awesome. Curated for the developer elite.

TermsPrivacyAboutGitHubRSS
  1. Home
  2. Stacks
  3. OCaml
O

OCaml

Language
136 projects146.9k total stars15.7k total forks15 languages

Open-source projects built with OCaml

There are currently 136 open-source projects built with OCaml, with a combined total of 146.9k GitHub stars. The most common language among these projects is OCaml.

Showing 130 open-source projects · page 4 of 4

Community-curated · Updated weekly · 100% open source

Found a gem we're missing?

Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.

Submit a projectStar on GitHub
ocaml-dns
ocaml-dnsmirage/ocaml-dns

A pure OCaml implementation of the DNS protocol supporting authoritative and recursive resolvers with strict conventions.

11845OCaml
1 month ago
COW
COWmirage/ocaml-cow

OCaml combinators for manipulating HTML, CSS, XML, JSON, and Markdown directly from OCaml code.

11223OCaml
2 years ago
nocrypto
nocryptomirleft/ocaml-nocrypto

A small OCaml cryptographic library emphasizing applicative style and ease of use with basic ciphers, hashes, and public-key primitives.

11254OCaml
6 years ago
cryptokit
cryptokitxavierleroy/cryptokit

A comprehensive OCaml library providing cryptographic primitives like ciphers, hashes, and public-key cryptography for security-sensitive applications.

10827C
5 months ago
ocaml-rpc
ocaml-rpcmirage/ocaml-rpc

A lightweight OCaml library for remote procedure calls (RPC) with XML/JSON encoding and code generation via PPX.

10530OCaml
2 months ago
Vg
Vgdbuenzli/vg

A declarative 2D vector graphics library for OCaml with renderers for PDF, SVG, Cairo, and HTML canvas.

10112OCaml
10 months ago
ocaml-uri
ocaml-urimirage/ocaml-uri

An RFC3986-compliant URI/URL parsing library for OCaml with multiple parser backends.

9956OCaml
6 months ago
coq-dpdgraph
coq-dpdgraphcoq-community/coq-dpdgraph

A Coq plugin that extracts dependency graphs between Coq objects and provides tools for visualization and analysis.

9934OCaml
1 month ago
modern-ocaml
modern-ocamlKhady/modern-ocaml

A template for OCaml projects with modern tooling including dune build system, LSP server, and CI setup.

976OCaml
1 month ago
Digestif
Digestifmirage/digestif

A comprehensive OCaml toolbox implementing multiple hash algorithms with both C and OCaml backends.

9531OCaml
1 year ago
opam2nix
opam2nixtimbertson/opam2nix

Generates Nix expressions from OPAM packages to build OCaml projects within the Nix ecosystem.

9328OCaml
1 year ago
ppx_import
ppx_importocaml-ppx/ppx_import

An OCaml syntax extension for importing types and signatures from compiled interface files to reduce redundancy.

9329OCaml
7 months ago
slap
slapakabe/slap

An OCaml linear algebra library providing BLAS and LAPACK bindings with compile-time static size checking for matrix and vector operations.

914OCaml
5 years ago
Rockstar
Rockstardylanbeattie/rockstar

A dynamically typed programming language designed for writing programs that double as 1980s hard rock and power ballad lyrics.

884JavaScript
4 years ago
slacko
slackoLeonidas-from-XIV/slacko

A complete OCaml interface to the Slack API with a command-line notification tool.

8710OCaml
2 years ago
ocaml-mustache
ocaml-mustachergrinberg/ocaml-mustache

A Mustache.js-compatible logic-less templating engine implemented in OCaml.

8723OCaml
2 years ago
ocaml-zmq
ocaml-zmqissuu/ocaml-zmq

OCaml bindings for ZeroMQ 4.x, providing message-passing capabilities for distributed systems.

8518OCaml
2 years ago
ocaml-redis
ocaml-redis0xffea/ocaml-redis

Pure OCaml client library for Redis, offering both synchronous and LWT-based asynchronous bindings.

8533OCaml
1 year ago
SSProve
SSProveSSProve/ssprove

A foundational framework for modular cryptographic proofs in the Coq proof assistant, enabling state-separating proofs.

8317Rocq Prover
1 month ago
ocaml-makefile
ocaml-makefilemmottl/ocaml-makefile

A generic Makefile for building small to medium-sized OCaml projects with minimal configuration.

8219OCaml
10 months ago
Smt.ml
Smt.mlformalsec/smtml

A multi-backend SMT solver frontend for OCaml providing a consistent interface to various solvers.

7917OCaml
5 days ago
Metalib
Metalibplclub/metalib

A Coq library for mechanizing programming language metatheory with locally nameless representation of binders.

7724Coq
1 year ago
1
2
3
4