Repositories list

• multicoretests

  Public
  PBT testsuite and libraries for testing multicore OCaml

  quickcheckproperty-based-testingproperty-testing+ 1

  quickcheckproperty-based-testingproperty-testingmulticore-ocaml

  OCaml

  •

  BSD 2-Clause "Simplified" License

  •1515 forks•4545 stars•4242 issues•1313 pull requests•Updated Apr 10, 2026Apr 10, 2026

• retro-httpaf-bench

  Public
  Benchmarking environment for http servers

  Jupyter Notebook

  •1212 forks•2222 stars•66 issues•22 pull requests•Updated Apr 6, 2026Apr 6, 2026

• lwt_eio

  Public
  Use Lwt libraries from within Eio

  OCaml

  •

  ISC License

  •77 forks•3939 stars•00 issues•00 pull requests•Updated Apr 3, 2026Apr 3, 2026

• effects-examples

  Public
  Examples to illustrate the use of algebraic effects in Multicore OCaml

  OCaml

  •

  ISC License

  •3636 forks•454454 stars•33 issues•00 pull requests•Updated Mar 20, 2026Mar 20, 2026

• ocaml-effects-tutorial

  Public
  Concurrent Programming with Effect Handlers

  OCaml

  •

  MIT License

  •3838 forks•714714 stars•11 issue•00 pull requests•Updated Mar 19, 2026Mar 19, 2026

• picos

  Public
  Interoperable effects based concurrency

  concurrencyeffectsparallelism+ 2

  concurrencyeffectsparallelisminteroperabilitycancelation

  OCaml

  •

  ISC License

  •1010 forks•144144 stars•1111 issues•1616 pull requests•Updated Mar 17, 2026Mar 17, 2026

• meio

  Public
  Monitor Eio programs

  consoleterminal

  consoleterminal

  OCaml

  •

  MIT License

  •66 forks•8787 stars•1010 issues•22 pull requests•Updated Feb 11, 2026Feb 11, 2026

• eio_js

  Public
  Eio for JavaScript environments

  OCaml

  •

  ISC License

  •44 forks•1212 stars•33 issues•22 pull requests•Updated Jan 26, 2026Jan 26, 2026

• multicore-magic

  Public
  Low-level multicore utilities for OCaml

  transitionalmulticore-ocaml

  transitionalmulticore-ocaml

  OCaml

  •

  ISC License

  •11 fork•1414 stars•22 issues•00 pull requests•Updated Jan 18, 2026Jan 18, 2026

• domainslib

  Public
  Parallel Programming over Domains

  OCaml

  •

  ISC License

  •3131 forks•187187 stars•2525 issues•77 pull requests•Updated Dec 18, 2025Dec 18, 2025

• hdr_histogram_ocaml

  Public
  C

  •

  MIT License

  •55 forks•1313 stars•00 issues•11 pull request•Updated Nov 14, 2025Nov 14, 2025

• eio

  Public
  Effects-based direct-style IO for multicore OCaml

  ocamlconcurrencyeffects+ 2

  ocamlconcurrencyeffectsiomulticore

  OCaml

  •

  Other

  •8383 forks•690690 stars•5858 issues•2323 pull requests•Updated Nov 4, 2025Nov 4, 2025

• ocaml-uring

  Public
  Bindings to io_uring for OCaml

  OCaml

  •

  ISC License

  •1818 forks•6868 stars•33 issues•55 pull requests•Updated Sep 28, 2025Sep 28, 2025

• ocaml-iomux

  Public
  Io multiplexers bindings for ocaml (poll/kqueue/epoll and so on)

  OCaml

  •

  ISC License

  •55 forks•3030 stars•00 issues•22 pull requests•Updated Sep 17, 2025Sep 17, 2025

• eio-trace

  Public
  Trace visualisation tool for Eio programs

  OCaml

  •

  ISC License

  •22 forks•1616 stars•00 issues•00 pull requests•Updated Sep 5, 2025Sep 5, 2025

• kcas

  Public
  Software Transactional Memory for OCaml

  ocamllock-freesoftware-transactional-memory

  ocamllock-freesoftware-transactional-memory

  OCaml

  •

  ISC License

  •1313 forks•137137 stars•44 issues•88 pull requests•Updated Jun 14, 2025Jun 14, 2025

• multicore-bench

  Public
  Framework for benchmarking on multiple cores on current-bench

  work-in-progress

  work-in-progress

  OCaml

  •

  ISC License

  •11 fork•1414 stars•11 issue•00 pull requests•Updated Jun 14, 2025Jun 14, 2025

• saturn

  Public
  Lock-free data structures for multicore OCaml

  OCaml

  •

  ISC License

  •3232 forks•264264 stars•1313 issues•77 pull requests•Updated May 23, 2025May 23, 2025

• icfp-2023-eio-tutorial

  Public
  Lwt to Eio tutorial

  OCaml

  •11 fork•1919 stars•00 issues•00 pull requests•Updated Mar 20, 2025Mar 20, 2025

• ocaml

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

  OCaml

  •

  Other

  •1.2k1.2k forks•77 stars•00 issues•00 pull requests•Updated Feb 13, 2025Feb 13, 2025

• ocaml-tsan

  Public archive
  Race detection in OCaml using the ThreadSanitizer runtime analysis.

  OCaml

  •

  Other

  •22 forks•2020 stars•22 issues•00 pull requests•Updated Feb 6, 2025Feb 6, 2025

• dscheck

  Public
  Experimental model checker for testing concurrent algorithms

  ocamlmodel-checker

  ocamlmodel-checker

  OCaml

  •

  ISC License

  •77 forks•4444 stars•77 issues•44 pull requests•Updated Dec 17, 2024Dec 17, 2024

• backoff

  Public
  Exponential backoff mechanism

  OCaml

  •

  ISC License

  •00 forks•99 stars•00 issues•11 pull request•Updated Dec 17, 2024Dec 17, 2024

• fun-ocaml-workshop

  Public
  Fun OCaml workshop

  OCaml

  •

  MIT License

  •22 forks•88 stars•00 issues•00 pull requests•Updated Nov 4, 2024Nov 4, 2024

• uring-trace

  Public
  Visualization tool for your IO-uring workload

  C

  •

  ISC License

  •22 forks•1818 stars•11 issue•00 pull requests•Updated Aug 19, 2024Aug 19, 2024

• parallel-programming-in-multicore-ocaml

  Public
  Tutorial on Multicore OCaml parallel programming with domainslib

  ocamlmulticore

  ocamlmulticore

  OCaml

  •

  ISC License

  •66 forks•297297 stars•44 issues•22 pull requests•Updated Mar 12, 2024Mar 12, 2024

• ocaml5-parallelism-tutorial

  Public
  A hands-on tutorial on the new parallelism features in OCaml 5

  OCaml

  •

  MIT License

  •1111 forks•213213 stars•44 issues•11 pull request•Updated Mar 11, 2024Mar 11, 2024

• thread-table

  Public
  A lock-free thread-safe integer keyed hash table

  OCaml

  •

  ISC License

  •00 forks•55 stars•00 issues•00 pull requests•Updated Feb 15, 2024Feb 15, 2024

• domain-local-timeout

  Public
  A scheduler independent timeout mechanism

  OCaml

  •

  ISC License

  •00 forks•55 stars•00 issues•00 pull requests•Updated Feb 15, 2024Feb 15, 2024

• domain-local-await

  Public
  A scheduler independent blocking mechanism

  OCaml

  •

  ISC License

  •00 forks•1919 stars•11 issue•00 pull requests•Updated Feb 15, 2024Feb 15, 2024