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@obsidiansystems

Obsidian Systems

Software consultancy specializing in haskell, nix, curiosity, and innovation.

👋 We are Obsidian Systems

We're a software consultancy specializing in building great products on technologies that promote quality and rapid iteration. Check us out at https://obsidian.systems

Welcome to our github page. Here you'll find some of our open source work, primarily in Nix, Haskell, Daml, and Rust.

We're the primary authors and maintainers of:

  • reflex-frp, an ecosystem for functional reactive programming
  • obelisk, a framework and tool for full-stack Haskell applications
  • alamgu, an ecosystem for building hardware ledger applications

We're actively involved in Haskell, Nix, and Canton governance, and do a lot of open source work. We've tried to organize our repos below:

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  1. obelisk obelisk Public

    Functional reactive web and mobile applications, with batteries included.

    Haskell 1k 114

  2. gargoyle gargoyle Public

    A framework for managing daemons from Haskell and libraries for use with postgresql and nix

    Haskell 23 11

Repositories

Showing 10 of 436 repositories
  • canton-splice Public Forked from canton-network/splice

    Reference applications for funding, operating, and incentivizing the use of a decentralized, public Canton synchronizer. Includes the Amulet reference application for creating native payment utilities for Canton synchronizers and Daml applications.

    obsidiansystems/canton-splice's past year of commit activity
    Scala 3 Apache-2.0 118 0 15 Updated Sep 17, 2026
  • haskell.nix Public Forked from input-output-hk/haskell.nix

    Alternative Haskell Infrastructure for Nixpkgs

    obsidiansystems/haskell.nix's past year of commit activity
    Nix 4 Apache-2.0 271 0 0 Updated Sep 17, 2026
  • cargo-dyndrv Public

    Execute the Cargo build graph with Nix derivations, dynamically

    obsidiansystems/cargo-dyndrv's past year of commit activity
    Rust 12 2 2 1 Updated Sep 16, 2026
  • nix Public Forked from LnL7/nix

    Nix, the purely functional package manager

    obsidiansystems/nix's past year of commit activity
    C++ 4 LGPL-2.1 2,049 0 3 Updated Sep 14, 2026
  • nixos-wizard Public Forked from jonhermansen/nixos-wizard

    A TUI installer for NixOS

    obsidiansystems/nixos-wizard's past year of commit activity
    Rust 0 MIT 11 0 2 Updated Sep 14, 2026
  • nixos-homepage Public Forked from NixOS/nixos-homepage

    Sources for nixos.org

    obsidiansystems/nixos-homepage's past year of commit activity
    Less 2 392 0 1 Updated Sep 13, 2026
  • nixbsd Public Forked from nix-community/nixbsd
    obsidiansystems/nixbsd's past year of commit activity
    Nix 0 MIT 39 0 0 Updated Sep 11, 2026
  • cf-docs Public Forked from canton-network/cf-docs

    home for the new unified Canton Foundation docs

    obsidiansystems/cf-docs's past year of commit activity
    MDX 0 Apache-2.0 36 0 15 Updated Sep 11, 2026
  • hydra Public Forked from NixOS/hydra

    Hydra, the Nix-based continuous build system

    obsidiansystems/hydra's past year of commit activity
    Perl 0 GPL-3.0 388 0 3 Updated Sep 10, 2026
  • nix-rfcs Public Forked from NixOS/rfcs

    The Nix community RFCs

    obsidiansystems/nix-rfcs's past year of commit activity
    0 CC-BY-SA-4.0 167 0 0 Updated Sep 10, 2026