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@obsidiansystems

Obsidian Systems LLC

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, 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 do a lot of open source work, so we've tried to organize the repos below:

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  1. obelisk obelisk Public

    Functional reactive web and mobile applications, with batteries included.

    Haskell 1k 109

  2. gargoyle gargoyle Public

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

    Haskell 22 10

Repositories

Showing 10 of 413 repositories
  • higher-kinded Public

    Higher-kinded data types

    obsidiansystems/higher-kinded’s past year of commit activity
    Haskell 0 BSD-3-Clause 0 0 0 Updated Sep 4, 2025
  • canton-splice Public Forked from hyperledger-labs/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 0 Apache-2.0 31 0 0 Updated Sep 4, 2025
  • 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 1 Apache-2.0 256 0 0 Updated Sep 4, 2025
  • nix Public Forked from LnL7/nix

    Nix, the purely functional package manager

    obsidiansystems/nix’s past year of commit activity
    C++ 2 LGPL-2.1 1,742 0 3 Updated Sep 3, 2025
  • obelisk Public

    Functional reactive web and mobile applications, with batteries included.

    obsidiansystems/obelisk’s past year of commit activity
    Haskell 1,011 BSD-3-Clause 109 128 (1 issue needs help) 59 Updated Sep 2, 2025
  • obsidiansystems/logging-effect-colors’s past year of commit activity
    Haskell 1 BSD-3-Clause 0 0 0 Updated Sep 2, 2025
  • nixos-homepage Public Forked from NixOS/nixos-homepage

    Sources for nixos.org

    obsidiansystems/nixos-homepage’s past year of commit activity
    Less 0 363 0 1 Updated Aug 31, 2025
  • nixpkgs Public Forked from NixOS/nixpkgs

    Nix Packages collection

    obsidiansystems/nixpkgs’s past year of commit activity
    Nix 7 MIT 16,813 0 4 Updated Aug 24, 2025
  • obelisk-oauth Public
    obsidiansystems/obelisk-oauth’s past year of commit activity
    Haskell 12 3 4 3 Updated Aug 20, 2025
  • patchelf Public Forked from NixOS/patchelf

    A small utility to modify the dynamic linker and RPATH of ELF executables

    obsidiansystems/patchelf’s past year of commit activity
    C 0 GPL-3.0 516 0 0 Updated Aug 13, 2025