Skip to content
@tweag

Tweag by Modus Create

Improving the craft of software engineering

Hello from the Tweag team!

Scale your engineering power

At Tweag we love using open source methods and research ideas to improve software quality and reliability. We are big on composable software: functional, typed, immutable. You might have seen some of our work in your own favourite technical community, or read some of our articles.

We're hiring, globally, so if you want to shape the future of the software industry working with innovative clients and smart, friendly colleagues, read more here!

Pinned Loading

  1. rules_nixpkgs rules_nixpkgs Public

    Rules for importing Nixpkgs packages into Bazel.

    Starlark 397 103

  2. ormolu ormolu Public

    A formatter for Haskell source code

    Haskell 1.1k 90

  3. jupyenv jupyenv Public

    Declarative and reproducible Jupyter environments - powered by Nix

    Nix 746 151

  4. FawltyDeps FawltyDeps Public

    Python dependency checker

    Python 290 19

Repositories

Showing 10 of 468 repositories
  • buck2-haskell Public Forked from MercuryTechnologies/buck2-haskell

    The buck2 haskell rules.

    tweag/buck2-haskell's past year of commit activity
    Starlark 0 4 0 0 Updated Oct 28, 2026
  • ouroboros-consensus Public Forked from IntersectMBO/ouroboros-consensus

    Implementation of a Consensus Layer for the Ouroboros family of protocols

    tweag/ouroboros-consensus's past year of commit activity
    Haskell 1 Apache-2.0 46 0 19 Updated Oct 28, 2026
  • cardano-peras Public

    Architecture for Ouroboros Peras on the Cardano chain

    tweag/cardano-peras's past year of commit activity
    TeX 4 0 88 (4 issues need help) 7 Updated Oct 28, 2026
  • credential-helper Public

    A credential-helper framework and agent for Bazel and similar tools implementing the credential-helper spec.

    tweag/credential-helper's past year of commit activity
    Go 36 Apache-2.0 16 9 16 Updated Oct 28, 2026
  • nix-security-tracker Public Forked from NixOS/nix-security-tracker

    Web service for managing information on vulnerabilities in software distributed through Nixpkgs

    tweag/nix-security-tracker's past year of commit activity
    Python 1 MIT 41 0 2 Updated Oct 28, 2026
  • tricorder Public

    Tricorder provides simple, fast, focused feedback when hacking on Haskell (with or without LLM agents).

    tweag/tricorder's past year of commit activity
    Haskell 66 MIT 10 2 1 Updated Oct 28, 2026
  • rules_haskell Public

    Haskell rules for Bazel.

    tweag/rules_haskell's past year of commit activity
    Starlark 279 Apache-2.0 93 182 (19 issues need help) 31 Updated Oct 28, 2026
  • gazelle_cabal Public

    A gazelle extension to produce Haskell rules from cabal files

    tweag/gazelle_cabal's past year of commit activity
    Starlark 16 Apache-2.0 7 14 12 Updated Oct 28, 2026
  • cardano-kosmos Public

    Cardano monorepo

    tweag/cardano-kosmos's past year of commit activity
    Haskell 0 0 8 3 Updated Oct 28, 2026
  • rules_sh Public

    Shell rules for Bazel

    tweag/rules_sh's past year of commit activity
    Starlark 49 Apache-2.0 5 11 5 Updated Oct 28, 2026