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 392 103

  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 746 152

  4. FawltyDeps FawltyDeps Public

    Python dependency checker

    Python 289 19

Repositories

Showing 10 of 469 repositories
  • tweag/bazelcon-2026-workshop-docker's past year of commit activity
    Python 0 MIT 0 0 1 Updated Oct 13, 2026
  • cardano-kosmos Public

    Cardano monorepo

    tweag/cardano-kosmos's past year of commit activity
    Haskell 0 0 0 2 Updated Oct 13, 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 64 MIT 8 10 3 Updated Oct 13, 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 18 Updated Oct 12, 2026
  • modtester Public

    AI-driven Open Source Pentesting tool using MCP

    tweag/modtester's past year of commit activity
    Python 2 3 0 6 Updated Oct 12, 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 1 Updated Oct 12, 2026
  • ormolu Public

    A formatter for Haskell source code

    tweag/ormolu's past year of commit activity
    Haskell 1,076 90 51 4 Updated Oct 12, 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 15 11 14 Updated Oct 12, 2026
  • rules_sh Public

    Shell rules for Bazel

    tweag/rules_sh's past year of commit activity
    Starlark 49 Apache-2.0 5 11 7 Updated Oct 11, 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 Oct 11, 2026