👋 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 athttps://obsidian.systems

Welcome to our github page. Here you'll find some of our open source work, primarily inNix,Haskell, andRust.

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:

🧰 Nix Ecosystem and Infra

λ Building Apps in Haskell

⛓️ Blockchain Projects by Obsidian Systems

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obeliskobeliskPublic
Functional reactive web and mobile applications, with batteries included.
Haskell 988 108
gargoylegargoylePublic
A framework for managing daemons from Haskell and libraries for use with postgresql and nix
Haskell 20 10

Showing 10 of 401 repositories

nix Public Forked fromLnL7/nix
Nix, the purely functional package manager
obsidiansystems/nix’s past year of commit activity
C++ 3LGPL-2.1 1,646 0 3 UpdatedMar 17, 2025
sandstone Public
Fine-grained Haskell builds with Nix's dynamic derivations
obsidiansystems/sandstone’s past year of commit activity
Haskell 25 1 0 0 UpdatedMar 16, 2025
nixos-homepage Public Forked fromNixOS/nixos-homepage
Sources for nixos.org
obsidiansystems/nixos-homepage’s past year of commit activity
Less0 355 0 1 UpdatedMar 16, 2025
nixbsd Public Forked fromnixos-bsd/nixbsd
obsidiansystems/nixbsd’s past year of commit activity
Nix0MIT 25 0 0 UpdatedMar 14, 2025
bsd-nixpkgs Public Forked fromobsidiansystems/nixpkgs
Nix Packages collection
obsidiansystems/bsd-nixpkgs’s past year of commit activity
Nix0MIT 15,374 0 0 UpdatedMar 13, 2025
ledger-app-sui Public
obsidiansystems/ledger-app-sui’s past year of commit activity
Python 4Apache-2.0 5 2 0 UpdatedMar 13, 2025
obelisk Public
Functional reactive web and mobile applications, with batteries included.
obsidiansystems/obelisk’s past year of commit activity
Haskell 988BSD-3-Clause 108 124 (1 issue needs help) 59 UpdatedMar 9, 2025
hnix-store Public Forked fromhaskell-nix/hnix-store
Haskell implementation of the nix store API
obsidiansystems/hnix-store’s past year of commit activity
Haskell 2Apache-2.0 24 0 0 UpdatedMar 5, 2025
commutative-semigroups Public
obsidiansystems/commutative-semigroups’s past year of commit activity
Haskell 3 7 2 (1 issue needs help) 0 UpdatedMar 1, 2025
gargoyle Public
A framework for managing daemons from Haskell and libraries for use with postgresql and nix
obsidiansystems/gargoyle’s past year of commit activity
Haskell 20BSD-3-Clause 10 9 2 UpdatedFeb 25, 2025