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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 388 103

  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 745 152

  4. FawltyDeps FawltyDeps Public

    Python dependency checker

    Python 289 19

Repositories

Showing 10 of 465 repositories
  • run-nix-shell Public

    GitHub action for executing scripts via nix-shell.

    tweag/run-nix-shell's past year of commit activity
    Shell 8 Apache-2.0 1 3 3 Updated Sep 16, 2026
  • rules_haskell Public

    Haskell rules for Bazel.

    tweag/rules_haskell's past year of commit activity
    Starlark 279 Apache-2.0 93 183 (19 issues need help) 39 Updated Sep 16, 2026
  • cardano-peras Public

    Architecture for Ouroboros Peras on the Cardano chain

    tweag/cardano-peras's past year of commit activity
    TeX 4 0 90 (5 issues need help) 8 Updated Sep 16, 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-2.0 789 0 3 Updated Sep 16, 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 40 0 1 Updated Sep 16, 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 56 MIT 3 13 1 Updated Sep 16, 2026
  • ouroboros-network Public Forked from IntersectMBO/ouroboros-network

    Specifications of network protocols and implementations of components running these protocols which support a family of Ouroboros Consesus protocols; the diffusion layer of the Cardano Node.

    tweag/ouroboros-network's past year of commit activity
    Haskell 1 Apache-2.0 108 0 0 Updated Sep 16, 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 43 0 16 Updated Sep 16, 2026
  • bazel-central-registry Public Forked from bazelbuild/bazel-central-registry

    The central registry of Bazel modules for the Bzlmod external dependency system.

    tweag/bazel-central-registry's past year of commit activity
    Starlark 0 Apache-2.0 911 0 8 Updated Sep 16, 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 Sep 16, 2026