Skip to content

@input-output-hk Input Output

Change the repository type filter

All

    Repositories list

    723 repositories

    • partner-chains

      Public
      Substrate node with capability of communicating with Cardano network
      Rust
      •
      Apache License 2.0
      •20•60•2•12•Updated Aug 25, 2025Aug 25, 2025

    • catalyst-ci

      Public
      Common CI workflows for Project Catalyst
      Python
      •
      Apache License 2.0
      •0•7•20•5•Updated Aug 25, 2025Aug 25, 2025

    • plutus-halo2-verifier-gen

      Public
      Tool to enable proof verification on Cardano blockchain
      Rust
      •
      Apache License 2.0
      •0•0•0•0•Updated Aug 25, 2025Aug 25, 2025

    • catalyst-voices

      Public
      🎙️ Catalyst Voices provides a unified experience and platform including production-ready liquid democracy, meaningful collaboration opportunities & data-driven context for better onboarding & decisions.
      dartrustflutterweb3catalystcardano
      Dart
      •
      Apache License 2.0
      •10•35•282•19•Updated Aug 25, 2025Aug 25, 2025

    • mastering-cardano

      Public
      repository for the book project "Mastering Cardano"
      CSS
      •
      MIT License
      •5•16•0•4•Updated Aug 25, 2025Aug 25, 2025

    • ouroboros-leios

      Public
      Documentation and tools relating to the design and prototyping of Ouroboros Leios
      blockchainscalingcardano
      Jupyter Notebook
      •8•25•16•9•Updated Aug 25, 2025Aug 25, 2025

    • partner-chains-smart-contracts

      Public
      Command Line Tool and Cardano Plutus Contracts for interacting with Partner Chains.
      Haskell
      •
      Apache License 2.0
      •3•10•65•2•Updated Aug 25, 2025Aug 25, 2025

    • lace-ui-toolkit

      Public
      Lace UI Toolkit library
      TypeScript
      •
      Apache License 2.0
      •1•1•0•20•Updated Aug 25, 2025Aug 25, 2025

    • hermes

      Public
      🏛️ Hermes is a high-availability blockchain voting database that acts as a distributed storage and event processor for voting events, proposals, and actions.
      rustwasmflutterweb3
      Rust
      •
      Apache License 2.0
      •2•18•57•11•Updated Aug 25, 2025Aug 25, 2025

    • ouroboros-leios-formal-spec

      Public
      Agda
      •0•2•0•4•Updated Aug 25, 2025Aug 25, 2025

    • hackage.nix

      Public
      Automatically generated Nix expressions for Hackage
      Nix
      •19•20•0•0•Updated Aug 25, 2025Aug 25, 2025

    • iogx

      Public
      Flake Template for Haskell Projects
      Nix
      •9•25•1•1•Updated Aug 25, 2025Aug 25, 2025

    • mithril

      Public
      Stake-based threshold multi-signatures protocol
      rustblockchainscalabilitymithrilmultisigcardanocardano-nodemulti-signaturesmulti-signature-aggregation
      Rust
      •
      Apache License 2.0
      •45•140•74•4•Updated Aug 25, 2025Aug 25, 2025

    • essential-cardano-content

      Public
      JavaScript
      •6•5•1•9•Updated Aug 25, 2025Aug 25, 2025

    • markdown_quill

      Public
      Convert quill (Delta) fromat to and from markdown
      Dart
      •
      MIT License
      •61•0•0•0•Updated Aug 25, 2025Aug 25, 2025

    • flutter-quill

      Public
      Rich text editor for Flutter
      Dart
      •
      MIT License
      •962•0•0•0•Updated Aug 25, 2025Aug 25, 2025

    • catalyst-forge

      Public
      Project Catalyst developer platform
      Go
      •
      Apache License 2.0
      •0•1•6•7•Updated Aug 25, 2025Aug 25, 2025

    • haskell.nix

      Public
      Alternative Haskell Infrastructure for Nixpkgs
      nixbuild-toolhacktoberfestinfrastructurehaskellnix-expressions
      Nix
      •
      Apache License 2.0
      •250•599•163•4•Updated Aug 25, 2025Aug 25, 2025

    • cardano-parameters

      Public
      Cardano network parameters which are updated regularly from Blockfrost
      Shell
      •
      Apache License 2.0
      •0•0•0•0•Updated Aug 25, 2025Aug 25, 2025

    • acropolis

      Public
      Acropolis microservice architecture & components in Rust
      Rust
      •
      Apache License 2.0
      •2•7•29•4•Updated Aug 24, 2025Aug 24, 2025

    • metadata-registry-testnet

      Public
      Nix
      •139•24•0•1•Updated Aug 24, 2025Aug 24, 2025

    • foliage

      Public
      🌿 Foliage is a tool to create custom Haskell package repositories, in a fully reproducible way.
      haskell
      Haskell
      •
      MIT License
      •9•43•21•8•Updated Aug 24, 2025Aug 24, 2025

    • devx

      Public
      The Developer Experience Shell - This repo contains a nix develop shell for haskell. Its primary purpose is to help get a development shell for haskell quickly and across multiple operating systems (and architectures).
      hacktoberfest
      Nix
      •
      Apache License 2.0
      •10•50•20•5•Updated Aug 24, 2025Aug 24, 2025

    • ci-world

      Public
      Nix
      •
      Apache License 2.0
      •1•2•0•3•Updated Aug 24, 2025Aug 24, 2025

    • git-rev

      Public
      Haskell
      •
      Apache License 2.0
      •0•0•0•1•Updated Aug 24, 2025Aug 24, 2025

    • cardano-git-rev

      Public
      Haskell
      •
      Apache License 2.0
      •0•1•0•1•Updated Aug 24, 2025Aug 24, 2025

    • jormungandr

      Public
      privacy voting blockchain node
      Rust
      •
      Apache License 2.0
      •132•365•238•24•Updated Aug 24, 2025Aug 24, 2025

    • catalyst-toolbox

      Public
      Catalyst Tools, cli's and scripts related
      Rust
      •
      Apache License 2.0
      •15•16•4•7•Updated Aug 24, 2025Aug 24, 2025

    • vit-servicing-station

      Public
      End points to bootstrap VIT as a service: VaaS
      Rust
      •11•7•4•6•Updated Aug 24, 2025Aug 24, 2025

    • vit-testing

      Public
      Incubator for catalyst related testing projects
      Rust
      •
      MIT License
      •9•4•0•11•Updated Aug 24, 2025Aug 24, 2025