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Awesome Ocaml
A curated collection of awesome OCaml tools, frameworks, libraries and articles.
ocaml-community/awesome-ocaml
#awesome
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capnproto/capnp-ocaml
OCaml code generator plugin for the Cap'n Proto serialization framework
Stack
- Updated
- 2023-07-19
- Lists
- 1 list mention
- First commit
- 2013-11-16
- License
- NOASSERTION
- Issues
- 9 open
106
stars
- Forks
- 20
- Commits
- 432 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/ocaml-rpc
Light library to deal with RPCs in OCaml
- Updated
- 2026-04-04
- Lists
- 1 list mention
- First commit
- 2010-01-21
- License
- ISC
- Issues
- 8 open
106
stars
- Forks
- 30
- Commits
- 704 commits
- Star growth, last 7 days
- 0 0.0%
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- 0 0.0%
exercism/ocaml
Exercism exercises in OCaml.
Stack
- Updated
- 2026-10-12
- Lists
- 1 list mention
- First commit
- 2013-06-06
- License
- MIT
- Issues
- 12 open
103
stars
- Forks
- 56
- Commits
- 918 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
dbuenzli/vg
Declarative 2D vector graphics for OCaml
Stack
- Updated
- 2026-08-13
- Lists
- 1 list mention
- First commit
- 2013-03-20
- License
- ISC
- Issues
- 5 open
101
stars
- Forks
- 12
- Commits
- 338 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%
mirage/digestif
Simple hash algorithms in OCaml
- Updated
- 2026-10-18
- Lists
- 1 list mention
- First commit
- 2015-04-08
- License
- MIT
- Issues
- 6 open
96
stars
- Forks
- 33
- Commits
- 475 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-ppx/ppx_import
Less redundancy in type declarations and signatures
Stack
- Updated
- 2026-09-25
- Lists
- 1 list mention
- First commit
- 2014-08-01
- License
- MIT
- Issues
- 18 open
92
stars
- Forks
- 31
- Commits
- 205 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
akabe/slap
BLAS and LAPACK binding in OCaml with type-based static size checking for matrix operations
Stack
- Updated
- 2020-07-10
- Lists
- 1 list mention
- First commit
- 2014-03-10
- License
- LGPL-2.1
- Issues
- 3 open
89
stars
- Forks
- 4
- Commits
- 239 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
rgrinberg/ocaml-mustache
mustache.js logic-less templates in OCaml
Stack
GitHub topics
- Updated
- 2024-05-31
- Lists
- 1 list mention
- First commit
- 2014-01-22
- License
- MIT
- Issues
- 3 open
- Forks
- 23
- Commits
- 285 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Leonidas-from-XIV/slacko
A neat interface for Slack
Stack
GitHub topics
- Updated
- 2024-01-26
- Lists
- 1 list mention
- First commit
- 2014-09-17
- License
- NOASSERTION
- Issues
- 8 open
- Forks
- 10
- Commits
- 398 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
0xffea/ocaml-redis
Redis bindings for OCaml
Stack
GitHub topics
- Updated
- 2025-05-21
- Lists
- 1 list mention
- First commit
- 2011-08-26
- License
- BSD-3-Clause
- Issues
- 5 open
85
stars
- Forks
- 33
- Commits
- 363 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
IssuuArchive/ocaml-zmq
ZeroMQ bindings for OCaml
Archived
Stack
GitHub topics
- Updated
- 2024-05-19
- Lists
- 1 list mention
- First commit
- 2011-02-09
- License
- NOASSERTION
- Issues
- 3 open
- Forks
- 18
- Commits
- 418 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
formalsec/smtml
An SMT solver frontend for OCaml
AI dev
- Updated
- 2026-11-02
- Lists
- 1 list mention
- First commit
- 2023-03-23
- License
- MIT
- Issues
- 56 open
81
stars
- Forks
- 18
- Commits
- 1,396 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mmottl/ocaml-makefile
Easy to use Makefile for small to medium-sized OCaml-projects
- Updated
- 2025-07-21
- Lists
- 1 list mention
- First commit
- 2008-11-27
- License
- NOASSERTION
- Issues
- 0 open
- Forks
- 19
- Commits
- 107 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
didier-wenzek/ocaml-kafka
OCaml bindings for Kafka
Stack
GitHub topics
- Updated
- 2024-07-08
- Lists
- 1 list mention
- First commit
- 2014-10-22
- License
- MIT
- Issues
- 6 open
- Forks
- 12
- Commits
- 239 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
dbuenzli/topkg
The transitory OCaml software packager
Stack
- Updated
- 2026-09-08
- Lists
- 1 list mention
- First commit
- 2014-04-15
- License
- ISC
- Issues
- 0 open
69
stars
- Forks
- 25
- Commits
- 257 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
vincent-hugot/qtest
Inline (Unit) Tests for OCaml
Stack
- Updated
- 2021-04-05
- Lists
- 1 list mention
- First commit
- 2011-01-17
- License
- GPL-3.0
- Issues
- 6 open
68
stars
- Forks
- 8
- Commits
- 325 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
andersfugmann/amqp-client
OCaml Amqp client library for Async and Lwt.
Stack
GitHub topics
- Updated
- 2026-06-13
- Lists
- 1 list mention
- First commit
- 2015-09-15
- License
- BSD-3-Clause
- Issues
- 0 open
- Forks
- 14
- Commits
- 447 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
diskuv/dkml-installer-ocaml
The Windows-friendly distribution of OCaml
Archived
- Updated
- 2025-08-05
- Lists
- 1 list mention
- First commit
- 2022-01-18
- License
- Apache-2.0
- Issues
- 32 open
- Forks
- 2
- Commits
- 791 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Lelio-Brun/Obelisk
A simple multi-format pretty-printer for Menhir.
- Updated
- 2026-06-22
- Lists
- 1 list mention
- First commit
- 2017-05-03
- License
- MIT
- Issues
- 2 open
64
stars
- Forks
- 4
- Commits
- 230 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/charrua
A DHCP library in OCaml
Stack
GitHub topics
- Updated
- 2026-09-15
- Lists
- 1 list mention
- First commit
- 2015-03-29
- License
- ISC
- Issues
- 3 open
64
stars
- Forks
- 20
- Commits
- 904 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/orm
Object Relational Mapper extension
Stack
- Updated
- 2018-11-15
- Lists
- 1 list mention
- First commit
- 2009-03-27
- License
- NOASSERTION
- Issues
- 4 open
64
stars
- Forks
- 8
- Commits
- 788 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ygrek/ocurl
OCaml bindings to libcurl
Stack
GitHub topics
- Updated
- 2026-10-27
- Lists
- 1 list mention
- First commit
- 2009-10-13
- License
- MIT
- Issues
- 4 open
63
stars
- Forks
- 44
- Commits
- 424 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
MassD/99
Famous 99 problems in OCaml
Stack
- Updated
- 2022-08-01
- Lists
- 1 list mention
- First commit
- 2014-02-13
- License
- MIT
- Issues
- 0 open
61
stars
- Forks
- 7
- Commits
- 87 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Chris00/ocaml-cairo
Binding to Cairo, a 2D Vector Graphics Library.
Stack
GitHub topics
- Updated
- 2024-11-08
- Lists
- 1 list mention
- First commit
- 2009-06-12
- License
- LGPL-3.0
- Issues
- 11 open
58
stars
- Forks
- 11
- Commits
- 355 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
janestreet/core_bench
Micro-benchmarking library for OCaml
Stack
- Updated
- 2026-07-10
- Lists
- 1 list mention
- First commit
- 2013-05-23
- License
- MIT
- Issues
- 7 open
- Forks
- 16
- Commits
- 159 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-community/ocaml-mariadb
OCaml bindings to MariaDB, supporting the nonblocking API
Stack
- Updated
- 2026-10-07
- Lists
- 1 list mention
- First commit
- 2016-07-22
- License
- MIT
- Issues
- 0 open
- Forks
- 21
- Commits
- 300 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
owainlewis/ocaml-datastructures-algorithms
Data structures and algorithms in OCaml
AI dev
Stack
GitHub topics
- Updated
- 2026-07-05
- Lists
- 1 list mention
- First commit
- 2012-10-27
- License
- MIT
- Issues
- 2 open
- Forks
- 7
- Commits
- 232 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-community/ocaml-linenoise
Self-contained OCaml bindings to linenoise, easy high level readline functionality in OCaml
Stack
GitHub topics
- Updated
- 2024-07-29
- Lists
- 1 list mention
- First commit
- 2016-03-09
- License
- Unknown
- Issues
- 5 open
- Forks
- 9
- Commits
- 74 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-obuild/obuild
simple package build system for ocaml
AI dev
Stack
- Updated
- 2026-09-04
- Lists
- 1 list mention
- First commit
- 2012-12-26
- License
- BSD-2-Clause
- Issues
- 36 open
55
stars
- Forks
- 21
- Commits
- 427 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
tizoc/ppx_pgsql
Syntax extension for embedded SQL queries using PG'OCaml.
- Updated
- 2020-09-04
- Lists
- 1 list mention
- First commit
- 2016-10-24
- License
- BSD-3-Clause
- Issues
- 5 open
55
stars
- Forks
- 10
- Commits
- 38 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
UnixJunkie/parany
Parallelize _anything_ //
Stack
GitHub topics
- Updated
- 2023-10-05
- Lists
- 1 list mention
- First commit
- 2017-06-12
- License
- NOASSERTION
- Issues
- 1 open
54
stars
- Forks
- 8
- Commits
- 233 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Cumulus/Cumulus
A friendly and minimalist link sharing website
Stack
- Updated
- 2015-05-04
- Lists
- 1 list mention
- First commit
- 2012-06-08
- License
- MIT
- Issues
- 28 open
53
stars
- Forks
- 5
- Commits
- 851 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/prometheus
OCaml library for reporting metrics to a Prometheus server
- Updated
- 2026-08-22
- Lists
- 1 list mention
- First commit
- 2017-02-03
- License
- Apache-2.0
- Issues
- 0 open
53
stars
- Forks
- 29
- Commits
- 154 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/ke
Fast implementation of queue in OCaml
- Updated
- 2024-02-26
- Lists
- 1 list mention
- First commit
- 2018-12-11
- License
- MIT
- Issues
- 1 open
52
stars
- Forks
- 5
- Commits
- 151 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocamllibs/refl
OCaml PPX deriver for reflection
Stack
- Updated
- 2022-11-16
- Lists
- 1 list mention
- First commit
- 2020-02-17
- License
- BSD-3-Clause
- Issues
- 0 open
52
stars
- Forks
- 5
- Commits
- 66 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
whitequark/ocaml-m17n
Multilingualization for the OCaml source code
Stack
- Updated
- 2019-05-09
- Lists
- 1 list mention
- First commit
- 2014-12-08
- License
- MIT
- Issues
- 1 open
- Forks
- 5
- Commits
- 75 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
benfaerber/liquid-ml
Shopify's Liquid templating language in OCaml. Features an interpreter, parser and lexer.
Stack
GitHub topics
- Updated
- 2026-06-14
- Lists
- 1 list mention
- First commit
- 2022-07-09
- License
- MIT
- Issues
- 0 open
51
stars
- Forks
- 4
- Commits
- 264 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
janestreet/rpc_parallel
Type-safe library for building parallel applications, built on top of Async's Rpc module.
Stack
- Updated
- 2026-07-10
- Lists
- 1 list mention
- First commit
- 2014-09-24
- License
- MIT
- Issues
- 1 open
- Forks
- 14
- Commits
- 172 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
pveber/bistro
A library to build and execute typed scientific workflows
Stack
GitHub topics
- Updated
- 2026-05-18
- Lists
- 1 list mention
- First commit
- 2013-11-28
- License
- NOASSERTION
- Issues
- 19 open
49
stars
- Forks
- 11
- Commits
- 1,179 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Khady/merlin-eldoc
Type and doc on hover for OCaml and Reason in emacs
Stack
- Updated
- 2026-07-02
- Lists
- 1 list mention
- First commit
- 2018-04-26
- License
- GPL-3.0
- Issues
- 6 open
46
stars
- Forks
- 3
- Commits
- 65 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
upenn-cis1xx/camelot
A fully-modular OCaml style linter
Stack
- Updated
- 2026-08-26
- Lists
- 1 list mention
- First commit
- 2020-04-06
- License
- Apache-2.0
- Issues
- 10 open
46
stars
- Forks
- 7
- Commits
- 305 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
inhabitedtype/ocaml-dispatch
Path-based dispatching for client- and server-side applications.
- Updated
- 2022-09-26
- Lists
- 1 list mention
- First commit
- 2015-10-14
- License
- NOASSERTION
- Issues
- 1 open
- Forks
- 7
- Commits
- 69 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mirage/ocaml-vchan
Pure OCaml implementation of the "vchan" shared-memory communication protocol
Stack
- Updated
- 2025-03-06
- Lists
- 1 list mention
- First commit
- 2013-01-17
- License
- ISC
- Issues
- 6 open
45
stars
- Forks
- 24
- Commits
- 435 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
klakplok/goji
An OCaml bindings generator for JavaScript libraries
Stack
- Updated
- 2014-07-26
- Lists
- 1 list mention
- First commit
- 2013-08-19
- License
- Unknown
- Issues
- 2 open
43
stars
- Forks
- 8
- Commits
- 35 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-community/biniou
Extensible binary data format, like JSON but faster
Stack
- Updated
- 2022-06-17
- Lists
- 1 list mention
- First commit
- 2010-02-03
- License
- NOASSERTION
- Issues
- 5 open
- Forks
- 16
- Commits
- 156 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocaml-community/easy-format
Pretty-printing library for OCaml
Stack
- Updated
- 2022-06-04
- Lists
- 1 list mention
- First commit
- 2008-07-07
- License
- NOASSERTION
- Issues
- 10 open
- Forks
- 14
- Commits
- 87 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
ocsigen/macaque
No description.
Stack
- Updated
- 2019-11-18
- Lists
- 1 list mention
- First commit
- 2009-07-16
- License
- NOASSERTION
- Issues
- 12 open
40
stars
- Forks
- 11
- Commits
- 239 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
jin/rules_ocaml
OCaml build rules for Bazel
Stack
GitHub topics
- Updated
- 2021-04-22
- Lists
- 1 list mention
- First commit
- 2016-10-01
- License
- Apache-2.0
- Issues
- 3 open
39
stars
- Forks
- 4
- Commits
- 37 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%