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@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!

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  1. rules_nixpkgs rules_nixpkgs Public

    Rules for importing Nixpkgs packages into Bazel.

    Starlark 399 103

  2. ormolu ormolu Public

    A formatter for Haskell source code

    Haskell 1.1k 89

  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 471 repositories
  • rules_nixpkgs Public

    Rules for importing Nixpkgs packages into Bazel.

    tweag/rules_nixpkgs's past year of commit activity
    Starlark 399 Apache-2.0 103 62 (5 issues need help) 33 Updated Nov 8, 2026
  • monad-bayes Public

    A library for probabilistic programming in Haskell.

    tweag/monad-bayes's past year of commit activity
    Jupyter Notebook 441 MIT 68 37 8 Updated Nov 8, 2026
  • jupyenv Public

    Declarative and reproducible Jupyter environments - powered by Nix

    tweag/jupyenv's past year of commit activity
    Nix 746 MIT 151 39 17 Updated Nov 8, 2026
  • cardano-node Public Forked from IntersectMBO/cardano-node

    The core component that is used to participate in a Cardano decentralised blockchain.

    tweag/cardano-node's past year of commit activity
    Haskell 1 Apache-2.0 798 0 6 Updated Nov 8, 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 11 Updated Nov 7, 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 47 0 19 Updated Nov 6, 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 13 Updated Nov 6, 2026
  • cardano-kosmos Public

    Cardano monorepo

    tweag/cardano-kosmos's past year of commit activity
    Haskell 0 0 7 2 Updated Nov 6, 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 68 MIT 11 2 1 Updated Nov 6, 2026
  • pubgrub-hs Public

    A native Haskell implementation of the PubGrub version-solving algorithm

    tweag/pubgrub-hs's past year of commit activity
    Haskell 0 BSD-3-Clause 0 0 0 Updated Nov 6, 2026