Repositories list

• ouroboros-consensus

  Public
  Implementation of a Consensus Layer for the Ouroboros family of protocols

  blockchainconsensusouroboros

  blockchainconsensusouroboros

  Haskell

  •

  Apache License 2.0

  •4242 forks•6767 stars•406406 issues•7676 pull requests•Updated Aug 3, 2026Aug 3, 2026

• cardano-node-tests

  Public
  System and end-to-end (E2E) tests for cardano-node.

  Python

  •

  Apache License 2.0

  •2828 forks•5959 stars•3939 issues•88 pull requests•Updated Aug 3, 2026Aug 3, 2026

• ouroboros-network

  Public
  Specifications of network protocols and implementations of components running these protocols which support a family of Ouroboros Consesus protocols; the diffus…

  haskellnetworkblockchain+ 1

  haskellnetworkblockchainouroboros

  Haskell

  •

  Apache License 2.0

  •105105 forks•293293 stars•322322 issues•1919 pull requests•Updated Aug 3, 2026Aug 3, 2026

• cardano-haskell-packages

  Public
  Metadata for Cardano's Haskell package repository

  haskellnixcardano

  haskellnixcardano

  Shell

  •

  Apache License 2.0

  •3535 forks•3636 stars•2727 issues•1313 pull requests•Updated Aug 3, 2026Aug 3, 2026

• cardano-ledger

  Public
  The ledger implementation and specifications of the Cardano blockchain.

  blockchaincryptocurrencyada+ 1

  blockchaincryptocurrencyadacardano

  Haskell

  •

  Apache License 2.0

  •177177 forks•290290 stars•246246 issues•3232 pull requests•Updated Aug 3, 2026Aug 3, 2026

• mithril

  Public
  Stake-based threshold multi-signatures protocol

  rustblockchainscalability+ 8

  rustblockchainscalabilitymithrilmultisigzero-knowledgecardanocardano-nodemulti-signatureszero-knowledge-proofs+ 1

  Rust

  •

  Apache License 2.0

  •5252 forks•153153 stars•113113 issues•1313 pull requests•Updated Aug 3, 2026Aug 3, 2026

• cardano-sync-tests

  Public
  Sync tests for cardano-node and db-sync.

  Python

  •

  Apache License 2.0

  •00 forks•44 stars•11 issue•33 pull requests•Updated Aug 3, 2026Aug 3, 2026

• Intersect-knowledge-base

  Public
  This repository holds the Intersect Knowledge Base

  Apache License 2.0

  •33 forks•11 star•00 issues•00 pull requests•Updated Aug 3, 2026Aug 3, 2026

• cardano-node

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

  Haskell

  •

  Apache License 2.0

  •756756 forks•3.2k3.2k stars•4242 issues•3131 pull requests•Updated Aug 3, 2026Aug 3, 2026

• evolution-sdk

  Public
  TypeScript

  •

  MIT License

  •3030 forks•1919 stars•3131 issues•2424 pull requests•Updated Aug 3, 2026Aug 3, 2026

• dmq-node

  Public
  DMQ-Node is a diffusion layer for Mithril, based on Ouroboros-Network.

  Haskell

  •

  Apache License 2.0

  •33 forks•22 stars•77 issues•00 pull requests•Updated Aug 3, 2026Aug 3, 2026

• governance-actions

  Public
  Anchor metadata for Governance Actions submitted by Intersect.

  66 forks•77 stars•00 issues•00 pull requests•Updated Aug 3, 2026Aug 3, 2026

• govtool-proposal-pillar

  Public
  GovTool Proposal Pillar Packages

  JavaScript

  •

  Apache License 2.0

  •33 forks•11 star•00 issues•55 pull requests•Updated Aug 3, 2026Aug 3, 2026

• cardano-api

  Public
  Cardano API

  Haskell

  •

  Apache License 2.0

  •2929 forks•4040 stars•2626 issues•1414 pull requests•Updated Aug 3, 2026Aug 3, 2026

• plutus

  Public
  The Plutus language implementation and tools

  programming-languagesmart-contractsblockchain

  programming-languagesmart-contractsblockchain

  Haskell

  •

  Apache License 2.0

  •509509 forks•1.6k1.6k stars•175175 issues•6767 pull requests•Updated Aug 1, 2026Aug 1, 2026

• cardano-cli

  Public
  This repository contains sources for the command-line interface (CLI) tool for interacting with the Cardano blockchain.

  Haskell

  •

  Apache License 2.0

  •2424 forks•7171 stars•3030 issues•77 pull requests•Updated Aug 1, 2026Aug 1, 2026

• ogmios

  Public
  ❇️ A WebSocket JSON/RPC bridge for Cardano

  Haskell

  •

  Mozilla Public License 2.0

  •104104 forks•22 stars•00 issues•22 pull requests•Updated Aug 1, 2026Aug 1, 2026

• formal-ledger-specifications

  Public
  Formal specifications of the Cardano ledger

  agdaformal-methodscardano-node

  agdaformal-methodscardano-node

  Agda

  •

  Apache License 2.0

  •1919 forks•5151 stars•165165 issues•88 pull requests•Updated Jul 31, 2026Jul 31, 2026

• hf-wg-documentation

  Public
  Repository for hardfork working group documentation.

  1616 forks•44 stars•11 issue•11 pull request•Updated Jul 31, 2026Jul 31, 2026

• cardano-config

  Public
  Cardano-config is a library designed to audit and strengthen various configuration files across 'core' Cardano repositories.

  Haskell

  •

  Apache License 2.0

  •00 forks•00 stars•11 issue•11 pull request•Updated Jul 31, 2026Jul 31, 2026

• product-website

  Public
  SCSS

  •1212 forks•33 stars•33 issues•11 pull request•Updated Jul 31, 2026Jul 31, 2026

• io-classes-extra

  Public
  Utilities built on top of `io-classes`

  Haskell

  •00 forks•22 stars•33 issues•33 pull requests•Updated Jul 31, 2026Jul 31, 2026

• cardano-updates

  Public
  Regular updates from the Cardano developer team

  Shell

  •

  Apache License 2.0

  •1616 forks•1111 stars•33 issues•33 pull requests•Updated Jul 31, 2026Jul 31, 2026

• governance-scripts

  Public
  Repository to hold shell scripts that Intersect uses to engage in Cardano on-chain governance.

  Shell

  •

  Apache License 2.0

  •55 forks•77 stars•77 issues•55 pull requests•Updated Jul 31, 2026Jul 31, 2026

• govtool-outcomes-pillar

  Public
  TypeScript

  •44 forks•11 star•22 issues•11 pull request•Updated Jul 31, 2026Jul 31, 2026

• typed-protocols

  Public
  Session types framework with support of protocol pipelining.

  haskellnetworkprotocols+ 1

  haskellnetworkprotocolssession-types

  Haskell

  •

  Apache License 2.0

  •77 forks•1616 stars•55 issues•55 pull requests•Updated Jul 30, 2026Jul 30, 2026

• cardano-db-sync

  Public
  A component that follows the Cardano chain and stores blocks and transactions in PostgreSQL

  Haskell

  •

  Apache License 2.0

  •167167 forks•317317 stars•7474 issues•3838 pull requests•Updated Jul 30, 2026Jul 30, 2026

• lsm-tree

  Public
  A Haskell library for on-disk tables based on LSM-Trees

  haskelldatabase

  haskelldatabase

  Haskell

  •1616 forks•5353 stars•3030 issues•1212 pull requests•Updated Jul 30, 2026Jul 30, 2026

• plinth-template

  Public template
  This is a template repository for kickstarting your Plinth smart contract project. Please refer to the README.md for more information.

  Haskell

  •

  Apache License 2.0

  •7676 forks•2828 stars•00 issues•22 pull requests•Updated Jul 30, 2026Jul 30, 2026

• cardano-addresses

  Public
  Addresses and mnemonic manipulation & derivations

  addressmnemonichierarchical-deterministic-wallets+ 1

  addressmnemonichierarchical-deterministic-walletscardano

  Haskell

  •

  Apache License 2.0

  •5151 forks•161161 stars•33 issues•22 pull requests•Updated Jul 30, 2026Jul 30, 2026