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 373 94

  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 739 154

  4. FawltyDeps FawltyDeps Public

    Python dependency checker

    Python 277 18

Repositories

Showing 10 of 444 repositories
  • tweag/genesis-sync-accelerator’s past year of commit activity
    Haskell 1 Apache-2.0 1 4 1 Updated Mar 27, 2026
  • cardano-cls Public

    Canonical Ledger Format for Cardano

    tweag/cardano-cls’s past year of commit activity
    Haskell 2 1 22 4 Updated Mar 27, 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 30 0 0 Updated Mar 27, 2026
  • cardano-scrawls Public

    A Rust library for Cardano standard canonical ledger state

    tweag/cardano-scrawls’s past year of commit activity
    Rust 1 Apache-2.0 0 4 0 Updated Mar 27, 2026
  • cardano-block-cost Public

    A home for Tweag's investigation into the cost structure of Cardano block validation

    tweag/cardano-block-cost’s past year of commit activity
    Julia 1 0 0 0 Updated Mar 27, 2026
  • cardano-hoarding-node Public

    Hoarding Node for Cardano

    tweag/cardano-hoarding-node’s past year of commit activity
    Nix 3 0 22 6 Updated Mar 27, 2026
  • rules_haskell Public

    Haskell rules for Bazel.

    tweag/rules_haskell’s past year of commit activity
    Starlark 277 Apache-2.0 88 178 (19 issues need help) 35 Updated Mar 27, 2026
  • CIPs Public Forked from cardano-foundation/CIPs

    Cardano Improvement Proposals (CIPs)

    tweag/CIPs’s past year of commit activity
    Python 1 CC-BY-4.0 395 0 1 Updated Mar 27, 2026
  • gazelle_haskell_modules Public

    A gazelle extension to generate haskell_module rules

    tweag/gazelle_haskell_modules’s past year of commit activity
    Haskell 7 Apache-2.0 3 6 (1 issue needs help) 3 Updated Mar 27, 2026
  • gazelle_cabal Public

    A gazelle extension to produce Haskell rules from cabal files

    tweag/gazelle_cabal’s past year of commit activity
    Haskell 14 Apache-2.0 7 14 7 Updated Mar 27, 2026