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Awesome Ocaml
A curated collection of awesome OCaml tools, frameworks, libraries and articles.
ocaml-community/awesome-ocaml
#awesome
#ocaml
#programming-language
#resources
- List stars
- 3,131
- README repos
- 226
- Indexed repos
- 223
- List commits
- 639
- Forks
- 177
- Open issues
- 5
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onivim/oni2
Native, lightweight modal code editor
- Updated
- 2022-08-17
- Lists
- 1 list mention
- First commit
- 2019-01-02
- License
- MIT
- Issues
- 547 open
7,838
stars
- Forks
- 277
- Commits
- 2,208 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/mirage
MirageOS is a library operating system that constructs unikernels
- Updated
- 2026-11-01
- Lists
- 1 list mention
- First commit
- 2013-02-02
- License
- ISC
- Issues
- 62 open
3,023
stars
- Forks
- 278
- Commits
- 3,866 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
BinaryAnalysisPlatform/bap
Binary Analysis Platform
Stack
GitHub topics
- Updated
- 2026-05-07
- Lists
- 1 list mention
- First commit
- 2014-10-30
- License
- MIT
- Issues
- 42 open
2,264
stars
- Forks
- 286
- Commits
- 1,290 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/irmin
Irmin is a distributed database that follows the same design principles as Git
- Updated
- 2026-10-09
- Lists
- 1 list mention
- First commit
- 2013-04-22
- License
- ISC
- Issues
- 150 open
1,964
stars
- Forks
- 167
- Commits
- 5,643 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml/dune
A composable build system for OCaml.
AI dev
- Updated
- 2026-11-03
- Lists
- 1 list mention
- First commit
- 2016-10-30
- License
- MIT
- Issues
- 1,041 open
1,932
stars
- Forks
- 507
- Commits
- 19,403 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml/merlin
Context sensitive completion for OCaml in Vim and Emacs
- Updated
- 2026-10-27
- Lists
- 1 list mention
- First commit
- 2013-01-07
- License
- MIT
- Issues
- 255 open
1,710
stars
- Forks
- 258
- Commits
- 6,195 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/ocaml-cohttp
An OCaml library for HTTP clients and servers using Lwt or Async
AI dev
- Updated
- 2026-09-08
- Lists
- 1 list mention
- First commit
- 2009-09-28
- License
- NOASSERTION
- Issues
- 109 open
779
stars
- Forks
- 187
- Commits
- 3,201 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-multicore/eio
Effects-based direct-style IO for multicore OCaml
Stack
GitHub topics
- Updated
- 2026-11-01
- Lists
- 1 list mention
- First commit
- 2021-03-02
- License
- NOASSERTION
- Issues
- 58 open
736
stars
- Forks
- 91
- Commits
- 1,598 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-ppx/ocamlformat
Auto-formatter for OCaml code
- Updated
- 2026-10-28
- Lists
- 1 list mention
- First commit
- 2017-10-19
- License
- MIT
- Issues
- 142 open
734
stars
- Forks
- 229
- Commits
- 1,952 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
inhabitedtype/angstrom
Parser combinators built for speed and memory efficiency
Stack
GitHub topics
- Updated
- 2024-09-12
- Lists
- 1 list mention
- First commit
- 2015-11-26
- License
- NOASSERTION
- Issues
- 14 open
707
stars
- Forks
- 74
- Commits
- 457 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
artagnon/rhine-ml
🏞 an OCaml compiler for an untyped lisp
Archived
Stack
GitHub topics
- Updated
- 2015-03-31
- Lists
- 1 list mention
- First commit
- 2014-07-20
- License
- NOASSERTION
- Issues
- 2 open
633
stars
- Forks
- 24
- Commits
- 424 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
inhabitedtype/httpaf
A high performance, memory efficient, and scalable web server written in OCaml
- Updated
- 2024-05-27
- Lists
- 1 list mention
- First commit
- 2016-10-18
- License
- NOASSERTION
- Issues
- 26 open
538
stars
- Forks
- 42
- Commits
- 491 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
c-cube/ocaml-containers
A lightweight, modular standard library extension, string library, and interfaces to various libraries (unix, threads, etc.) BSD license.
Stack
GitHub topics
- Updated
- 2026-10-12
- Lists
- 1 list mention
- First commit
- 2013-02-27
- License
- BSD-2-Clause
- Issues
- 21 open
522
stars
- Forks
- 91
- Commits
- 3,033 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/alcotest
A lightweight and colourful test framework
Stack
GitHub topics
- Updated
- 2026-11-03
- Lists
- 1 list mention
- First commit
- 2013-12-12
- License
- ISC
- Issues
- 58 open
514
stars
- Forks
- 94
- Commits
- 940 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
LaurentMazare/ocaml-torch
OCaml bindings for PyTorch
Stack
- Updated
- 2024-10-17
- Lists
- 1 list mention
- First commit
- 2018-10-02
- License
- Apache-2.0
- Issues
- 11 open
- Forks
- 40
- Commits
- 544 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
aantron/lambdasoup
Functional HTML scraping and rewriting with CSS in OCaml
- Updated
- 2024-11-18
- Lists
- 1 list mention
- First commit
- 2015-11-13
- License
- MIT
- Issues
- 13 open
409
stars
- Forks
- 35
- Commits
- 147 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
c-cube/qcheck
QuickCheck inspired property-based testing for OCaml.
Stack
GitHub topics
- Updated
- 2026-08-30
- Lists
- 1 list mention
- First commit
- 2013-10-06
- License
- BSD-2-Clause
- Issues
- 50 open
407
stars
- Forks
- 47
- Commits
- 1,579 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-community/yojson
Low-level JSON parsing and pretty-printing library for OCaml
- Updated
- 2026-10-07
- Lists
- 1 list mention
- First commit
- 2010-04-11
- License
- BSD-3-Clause
- Issues
- 23 open
369
stars
- Forks
- 61
- Commits
- 526 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/ocaml-git
Pure OCaml Git format and protocol
- Updated
- 2025-05-14
- Lists
- 1 list mention
- First commit
- 2013-03-12
- License
- ISC
- Issues
- 22 open
368
stars
- Forks
- 69
- Commits
- 2,748 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
paurkedal/ocaml-caqti
Cooperative-threaded access to relational data
- Updated
- 2026-10-26
- Lists
- 1 list mention
- First commit
- 2014-03-16
- License
- LGPL-3.0
- Issues
- 10 open
355
stars
- Forks
- 45
- Commits
- 1,102 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-sf/learn-ocaml
A Web Application for Learning OCaml
Stack
GitHub topics
- Updated
- 2025-12-06
- Lists
- 1 list mention
- First commit
- 2016-06-06
- License
- MIT
- Issues
- 126 open
334
stars
- Forks
- 72
- Commits
- 1,589 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
OCamlPro/owi
Owi: Seamless program analysis for C, C++, Go, Haskell, LLVM, Rust, Wasm and Zig.
GitHub topics
- Updated
- 2026-11-02
- Lists
- 2 list mentions
- First commit
- 2021-10-21
- License
- AGPL-3.0
- Issues
- 160 open
329
stars
- Forks
- 41
- Commits
- 2,798 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirleft/ocaml-tls
TLS in pure OCaml
AI dev
- Updated
- 2026-10-21
- Lists
- 1 list mention
- First commit
- 2014-02-13
- License
- BSD-2-Clause
- Issues
- 5 open
321
stars
- Forks
- 70
- Commits
- 2,100 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
akabe/ocaml-jupyter
An OCaml kernel for Jupyter (IPython) notebook
Stack
- Updated
- 2026-03-12
- Lists
- 1 list mention
- First commit
- 2017-07-14
- License
- MIT
- Issues
- 9 open
319
stars
- Forks
- 49
- Commits
- 424 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
aantron/bisect_ppx
Code coverage for OCaml and ReScript
- Updated
- 2025-10-12
- Lists
- 1 list mention
- First commit
- 2008-07-06
- License
- MIT
- Issues
- 25 open
317
stars
- Forks
- 69
- Commits
- 1,082 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-multicore/parallel-programming-in-multicore-ocaml
Tutorial on Multicore OCaml parallel programming with domainslib
Stack
GitHub topics
- Updated
- 2024-03-12
- Lists
- 1 list mention
- First commit
- 2020-06-30
- License
- ISC
- Issues
- 6 open
- Forks
- 6
- Commits
- 30 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
tmattio/spin
OCaml project generator.
- Updated
- 2024-10-07
- Lists
- 1 list mention
- First commit
- 2019-12-13
- License
- ISC
- Issues
- 14 open
299
stars
- Forks
- 15
- Commits
- 393 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
formal-land/rocq-of-ocaml
Formal verification for OCaml, with Rocq
- Updated
- 2026-05-18
- Lists
- 1 list mention
- First commit
- 2013-10-31
- License
- MIT
- Issues
- 17 open
- Forks
- 22
- Commits
- 1,245 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml/ocaml-re
Pure OCaml regular expressions, with support for Perl and POSIX-style strings
Stack
GitHub topics
- Updated
- 2026-10-16
- Lists
- 1 list mention
- First commit
- 2011-12-21
- License
- NOASSERTION
- Issues
- 35 open
260
stars
- Forks
- 72
- Commits
- 1,113 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
hackwaly/ocamlearlybird
OCaml debug adapter
GitHub topics
- Updated
- 2026-09-27
- Lists
- 1 list mention
- First commit
- 2021-01-26
- License
- MIT
- Issues
- 30 open
237
stars
- Forks
- 26
- Commits
- 221 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-community/lambda-term
Terminal manipulation library for OCaml
- Updated
- 2026-08-18
- Lists
- 1 list mention
- First commit
- 2011-02-20
- License
- NOASSERTION
- Issues
- 23 open
- Forks
- 43
- Commits
- 580 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
inhabitedtype/ocaml-webmachine
A REST toolkit for OCaml
Stack
GitHub topics
- Updated
- 2021-10-19
- Lists
- 1 list mention
- First commit
- 2015-03-03
- License
- NOASSERTION
- Issues
- 13 open
- Forks
- 28
- Commits
- 241 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
anmonteiro/piaf
Web library for OCaml with support for HTTP/1.X / HTTP/2
Stack
GitHub topics
- Updated
- 2026-07-25
- Lists
- 1 list mention
- First commit
- 2019-12-01
- License
- BSD-3-Clause
- Issues
- 20 open
219
stars
- Forks
- 27
- Commits
- 256 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Drup/tyre
Typed Regular Expressions
- Updated
- 2025-12-08
- Lists
- 1 list mention
- First commit
- 2016-05-21
- License
- ISC
- Issues
- 8 open
182
stars
- Forks
- 5
- Commits
- 187 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
hackwaly/vscode-ocaml
An extension for VS Code which provides support for the OCaml language.
Archived
Stack
GitHub topics
- Updated
- 2020-11-30
- Lists
- 1 list mention
- First commit
- 2016-06-06
- License
- MIT
- Issues
- 34 open
173
stars
- Forks
- 24
- Commits
- 212 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Kakadu/lablqml
Interfacing Qt/QML with OCaml. Formely known as lablqt
- Updated
- 2026-08-08
- Lists
- 1 list mention
- First commit
- 2011-04-21
- License
- LGPL-2.1
- Issues
- 14 open
165
stars
- Forks
- 18
- Commits
- 704 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
roddyyaga/ppx_rapper
Syntax extension for writing SQL in OCaml
- Updated
- 2026-08-14
- Lists
- 1 list mention
- First commit
- 2018-08-13
- License
- NOASSERTION
- Issues
- 19 open
153
stars
- Forks
- 23
- Commits
- 311 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
anuragsoni/routes
typed bidirectional router for OCaml/ReasonML web applications
Stack
GitHub topics
- Updated
- 2026-06-20
- Lists
- 1 list mention
- First commit
- 2019-04-01
- License
- BSD-3-Clause
- Issues
- 0 open
150
stars
- Forks
- 12
- Commits
- 287 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mathiasbourgoin/Sarek
SIMT Abstractions for Runtime Extensible Kernels (GPGPU programing with OCaml)
- Updated
- 2026-10-18
- Lists
- 1 list mention
- First commit
- 2014-02-11
- License
- NOASSERTION
- Issues
- 26 open
150
stars
- Forks
- 12
- Commits
- 2,344 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
aantron/markup.ml
Error-recovering streaming HTML5 and XML parsers
- Updated
- 2024-10-06
- Lists
- 1 list mention
- First commit
- 2016-01-11
- License
- MIT
- Issues
- 23 open
149
stars
- Forks
- 22
- Commits
- 198 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
robur-coop/miou
A simple scheduler for OCaml 5
Stack
GitHub topics
- Updated
- 2026-10-13
- Lists
- 1 list mention
- First commit
- 2023-06-06
- License
- MIT
- Issues
- 10 open
144
stars
- Forks
- 14
- Commits
- 624 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
tategakibunko/jingoo
OCaml template engine almost compatible with jinja2
Stack
GitHub topics
- Updated
- 2026-07-24
- Lists
- 1 list mention
- First commit
- 2012-02-18
- License
- NOASSERTION
- Issues
- 16 open
144
stars
- Forks
- 23
- Commits
- 729 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mmottl/sqlite3-ocaml
OCaml bindings to the SQLite3 database
- Updated
- 2026-08-12
- Lists
- 1 list mention
- First commit
- 2008-11-27
- License
- MIT
- Issues
- 2 open
132
stars
- Forks
- 42
- Commits
- 385 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
arenadotio/pgx
A pure OCaml PostgreSQL client library
Archived
Stack
GitHub topics
- Updated
- 2022-10-26
- Lists
- 1 list mention
- First commit
- 2017-12-21
- License
- NOASSERTION
- Issues
- 19 open
129
stars
- Forks
- 19
- Commits
- 124 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
smolkaj/nice-parser
Nice parsers in OCaml without the boilerplate
- Updated
- 2024-05-06
- Lists
- 1 list mention
- First commit
- 2017-04-25
- License
- MIT
- Issues
- 0 open
128
stars
- Forks
- 12
- Commits
- 13 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/decompress
Pure OCaml implementation of Zlib.
Stack
GitHub topics
- Updated
- 2026-10-01
- Lists
- 1 list mention
- First commit
- 2015-04-28
- License
- MIT
- Issues
- 9 open
120
stars
- Forks
- 19
- Commits
- 749 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/ocaml-dns
OCaml implementation of the DNS protocol
Stack
GitHub topics
- Updated
- 2026-11-03
- Lists
- 1 list mention
- First commit
- 2012-01-09
- License
- BSD-2-Clause
- Issues
- 21 open
120
stars
- Forks
- 46
- Commits
- 1,752 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
dkim/rwo-lwt
Lwt Translations of the Async Code Examples in Real World OCaml
- Updated
- 2017-06-04
- Lists
- 1 list mention
- First commit
- 2017-05-01
- License
- CC0-1.0
- Issues
- 0 open
107
stars
- Forks
- 6
- Commits
- 28 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/ocaml-uri
RFC3986 URI parsing library for OCaml
- Updated
- 2025-11-24
- Lists
- 1 list mention
- First commit
- 2012-01-02
- License
- NOASSERTION
- Issues
- 29 open
99
stars
- Forks
- 56
- Commits
- 491 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Khady/modern-ocaml
Template for an ocaml project with modern tooling
- Updated
- 2026-10-29
- Lists
- 1 list mention
- First commit
- 2020-05-19
- License
- AGPL-3.0
- Issues
- 0 open
98
stars
- Forks
- 6
- Commits
- 60 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%