Repositories list

• canton-splice

  Public
  Reference applications for funding, operating, and incentivizing the use of a decentralized, public Canton synchronizer. Includes the Amulet reference applicati…

  Scala

  •

  Apache License 2.0

  •128128 forks in obsidiansystems/canton-splice•33 stars in obsidiansystems/canton-splice•00 issues in obsidiansystems/canton-splice•1515 pull requests in obsidiansystems/canton-splice•Updated Oct 22, 2026Oct 22, 2026

• obelisk

  Public
  Functional reactive web and mobile applications, with batteries included.

  androidioshaskell+ 3

  androidioshaskellwebfull-stackobelisk

  Haskell

  •

  Other

  •115115 forks in obsidiansystems/obelisk•1k1k stars in obsidiansystems/obelisk•6969 issues in obsidiansystems/obelisk•5959 pull requests in obsidiansystems/obelisk•Updated Oct 22, 2026Oct 22, 2026

• canton_sv_configs

  Public
  SV configuration files

  Shell

  •2222 forks in obsidiansystems/canton_sv_configs•00 stars in obsidiansystems/canton_sv_configs•00 issues in obsidiansystems/canton_sv_configs•00 pull requests in obsidiansystems/canton_sv_configs•Updated Oct 22, 2026Oct 22, 2026

• style.hs

  Public
  Obsidian Systems' shared Haskell code style

  Nix

  •

  BSD 3-Clause "New" or "Revised" License

  •00 forks in obsidiansystems/style.hs•00 stars in obsidiansystems/style.hs•00 issues in obsidiansystems/style.hs•00 pull requests in obsidiansystems/style.hs•Updated Oct 22, 2026Oct 22, 2026

• cf-docs

  Public
  home for the new unified Canton Foundation docs

  MDX

  •

  Apache License 2.0

  •4141 forks in obsidiansystems/cf-docs•00 stars in obsidiansystems/cf-docs•00 issues in obsidiansystems/cf-docs•1515 pull requests in obsidiansystems/cf-docs•Updated Oct 22, 2026Oct 22, 2026

• haskell.nix

  Public
  Alternative Haskell Infrastructure for Nixpkgs

  Nix

  •

  Apache License 2.0

  •268268 forks in obsidiansystems/haskell.nix•44 stars in obsidiansystems/haskell.nix•00 issues in obsidiansystems/haskell.nix•00 pull requests in obsidiansystems/haskell.nix•Updated Oct 22, 2026Oct 22, 2026

• hydra

  Public
  Hydra, the Nix-based continuous build system

  Perl

  •

  GNU General Public License v3.0

  •362362 forks in obsidiansystems/hydra•00 stars in obsidiansystems/hydra•00 issues in obsidiansystems/hydra•33 pull requests in obsidiansystems/hydra•Updated Oct 19, 2026Oct 19, 2026

• nixos-wizard

  Public
  A TUI installer for NixOS

  Rust

  •

  MIT License

  •1010 forks in obsidiansystems/nixos-wizard•00 stars in obsidiansystems/nixos-wizard•00 issues in obsidiansystems/nixos-wizard•22 pull requests in obsidiansystems/nixos-wizard•Updated Oct 19, 2026Oct 19, 2026

• nixos-homepage

  Public
  Sources for nixos.org

  Less

  •373373 forks in obsidiansystems/nixos-homepage•22 stars in obsidiansystems/nixos-homepage•00 issues in obsidiansystems/nixos-homepage•11 pull request in obsidiansystems/nixos-homepage•Updated Oct 18, 2026Oct 18, 2026

• nixpkgs

  Public
  Nix Packages collection

  Nix

  •

  MIT License

  •20k20k forks in obsidiansystems/nixpkgs•99 stars in obsidiansystems/nixpkgs•00 issues in obsidiansystems/nixpkgs•33 pull requests in obsidiansystems/nixpkgs•Updated Oct 16, 2026Oct 16, 2026

• obelisk-capacitor

  Public
  Package Obelisk apps for mobile with Capacitor

  haskellnixcapacitor+ 4

  haskellnixcapacitorreflex-frpobeliskreflexhaskell-application

  JavaScript

  •00 forks in obsidiansystems/obelisk-capacitor•00 stars in obsidiansystems/obelisk-capacitor•00 issues in obsidiansystems/obelisk-capacitor•00 pull requests in obsidiansystems/obelisk-capacitor•Updated Oct 15, 2026Oct 15, 2026

• jsaddle

  Public
  JavaScript interface that works with GHCJS or GHC

  Haskell

  •7272 forks in obsidiansystems/jsaddle•11 star in obsidiansystems/jsaddle•00 issues in obsidiansystems/jsaddle•11 pull request in obsidiansystems/jsaddle•Updated Oct 11, 2026Oct 11, 2026

• sandstone

  Public
  Fine-grained Haskell builds with Nix's dynamic derivations

  Haskell

  •

  Other

  •22 forks in obsidiansystems/sandstone•5555 stars in obsidiansystems/sandstone•11 issue in obsidiansystems/sandstone•11 pull request in obsidiansystems/sandstone•Updated Oct 9, 2026Oct 9, 2026

• nix

  Public
  Nix, the purely functional package manager

  C++

  •

  GNU Lesser General Public License v2.1

  •2.1k2.1k forks in obsidiansystems/nix•44 stars in obsidiansystems/nix•00 issues in obsidiansystems/nix•33 pull requests in obsidiansystems/nix•Updated Oct 7, 2026Oct 7, 2026

• nix-daml-sdk

  Public
  Nix tooling for Daml

  nixsdkdaml

  nixsdkdaml

  Nix

  •

  BSD 3-Clause "New" or "Revised" License

  •66 forks in obsidiansystems/nix-daml-sdk•66 stars in obsidiansystems/nix-daml-sdk•11 issue in obsidiansystems/nix-daml-sdk•22 pull requests in obsidiansystems/nix-daml-sdk•Updated Oct 5, 2026Oct 5, 2026

• nix-thunk

  Public
  seamless management of source dependencies with nix

  nix

  nix

  Haskell

  •

  BSD 3-Clause "New" or "Revised" License

  •1313 forks in obsidiansystems/nix-thunk•4646 stars in obsidiansystems/nix-thunk•88 issues in obsidiansystems/nix-thunk•55 pull requests in obsidiansystems/nix-thunk•Updated Oct 4, 2026Oct 4, 2026

• jsaddle-dom

  Public
  DOM library that uses jsaddle to support both GHCJS and WebKitGTK

  Haskell

  •

  MIT License

  •2424 forks in obsidiansystems/jsaddle-dom•00 stars in obsidiansystems/jsaddle-dom•00 issues in obsidiansystems/jsaddle-dom•00 pull requests in obsidiansystems/jsaddle-dom•Updated Oct 2, 2026Oct 2, 2026

• fourmolu

  Public
  A fourk of ormolu that uses four space indentation and allows arbitrary configuration. Don't like it? PRs welcome!

  Haskell

  •

  Other

  •7979 forks in obsidiansystems/fourmolu•00 stars in obsidiansystems/fourmolu•00 issues in obsidiansystems/fourmolu•00 pull requests in obsidiansystems/fourmolu•Updated Sep 28, 2026Sep 28, 2026

• nix-rfcs

  Public
  The Nix community RFCs

  Creative Commons Attribution Share Alike 4.0 International

  •161161 forks in obsidiansystems/nix-rfcs•00 stars in obsidiansystems/nix-rfcs•00 issues in obsidiansystems/nix-rfcs•00 pull requests in obsidiansystems/nix-rfcs•Updated Sep 28, 2026Sep 28, 2026

• cargo-dyndrv

  Public
  Execute the Cargo build graph with Nix derivations, dynamically

  Rust

  •44 forks in obsidiansystems/cargo-dyndrv•2626 stars in obsidiansystems/cargo-dyndrv•33 issues in obsidiansystems/cargo-dyndrv•22 pull requests in obsidiansystems/cargo-dyndrv•Updated Sep 16, 2026Sep 16, 2026

• nixbsd

  Public
  Nix

  •

  MIT License

  •4040 forks in obsidiansystems/nixbsd•00 stars in obsidiansystems/nixbsd•00 issues in obsidiansystems/nixbsd•00 pull requests in obsidiansystems/nixbsd•Updated Sep 11, 2026Sep 11, 2026

• canton-dev-fund

  Public
  Canton Development Fund proposals, reviews, and administration

  Creative Commons Zero v1.0 Universal

  •329329 forks in obsidiansystems/canton-dev-fund•00 stars in obsidiansystems/canton-dev-fund•00 issues in obsidiansystems/canton-dev-fund•00 pull requests in obsidiansystems/canton-dev-fund•Updated Sep 2, 2026Sep 2, 2026

• splice

  Public
  Splice repository

  Scala

  •

  Apache License 2.0

  •128128 forks in obsidiansystems/splice•11 star in obsidiansystems/splice•00 issues in obsidiansystems/splice•1111 pull requests in obsidiansystems/splice•Updated Aug 27, 2026Aug 27, 2026

• freebsd-src

  Public
  The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....

  C

  •

  Other

  •3.4k3.4k forks in obsidiansystems/freebsd-src•00 stars in obsidiansystems/freebsd-src•00 issues in obsidiansystems/freebsd-src•00 pull requests in obsidiansystems/freebsd-src•Updated Aug 10, 2026Aug 10, 2026

• constraints-extras

  Public
  Convenience functions and template haskell for working with constraints

  haskellconstraints

  haskellconstraints

  Haskell

  •

  Other

  •1717 forks in obsidiansystems/constraints-extras•99 stars in obsidiansystems/constraints-extras•88 issues in obsidiansystems/constraints-extras•44 pull requests in obsidiansystems/constraints-extras•Updated Aug 10, 2026Aug 10, 2026

• harmonia

  Public
  Nix binary cache implemented in rust (maintainer: @Mic92)

  Rust

  •

  Other

  •3939 forks in obsidiansystems/harmonia•00 stars in obsidiansystems/harmonia•00 issues in obsidiansystems/harmonia•00 pull requests in obsidiansystems/harmonia•Updated Aug 4, 2026Aug 4, 2026

• hnix-store

  Public
  Haskell implementation of the nix store API

  Haskell

  •

  Apache License 2.0

  •2626 forks in obsidiansystems/hnix-store•22 stars in obsidiansystems/hnix-store•00 issues in obsidiansystems/hnix-store•00 pull requests in obsidiansystems/hnix-store•Updated Jul 30, 2026Jul 30, 2026

• daml

  Public
  The DAML smart contract language

  Haskell

  •

  Apache License 2.0

  •262262 forks in obsidiansystems/daml•00 stars in obsidiansystems/daml•00 issues in obsidiansystems/daml•11 pull request in obsidiansystems/daml•Updated Jul 23, 2026Jul 23, 2026

• nix-ninja

  Public
  Ninja-compatible incremental build system for Nix

  Rust

  •

  MIT License

  •1313 forks in obsidiansystems/nix-ninja•11 star in obsidiansystems/nix-ninja•00 issues in obsidiansystems/nix-ninja•00 pull requests in obsidiansystems/nix-ninja•Updated Jul 23, 2026Jul 23, 2026

• daml-syndicated-loan

  Public
  Syndicated loan example implemented in DAML

  smartcontractsdaml

  smartcontractsdaml

  Shell

  •

  BSD 3-Clause "New" or "Revised" License

  •11 fork in obsidiansystems/daml-syndicated-loan•33 stars in obsidiansystems/daml-syndicated-loan•00 issues in obsidiansystems/daml-syndicated-loan•00 pull requests in obsidiansystems/daml-syndicated-loan•Updated Jul 22, 2026Jul 22, 2026