Sources
55 upstream Cardano projects mirrored under docs/sources/. Auto-refreshed every Monday at 06:00 UTC by refresh-docs.yml. The canonical entry for each is registry/sources.yaml.
Sources are grouped by category. Priority (high / medium / low) is shown next to each entry — it reflects the maintainer’s judgement of how important the source is to the typical Cardano dev workflow.
infrastructure
| Source | Priority | Description |
|---|---|---|
Amaru — pragma-org/amaru | medium | Rust implementation of a Cardano node by PRAGMA — alternative to cardano-node, focused on diversification of consensus implementations |
Blockfrost OpenAPI — blockfrost/openapi · site | high | Most popular hosted REST API for Cardano (~25% adoption) |
Cardano CLI — IntersectMBO/cardano-cli | high | Official command-line tool for interacting with cardano-node — building, signing, submitting transactions, queries, key management |
Cardano GraphQL — cardano-foundation/cardano-graphql | medium | Cross-platform typed GraphQL API |
Cardano Node Wiki — input-output-hk/cardano-node-wiki | medium | Node documentation and operational guides |
Cardano Wallet — cardano-foundation/cardano-wallet | medium | HTTP REST API for wallet operations (Cardano Foundation) |
DB-Sync — IntersectMBO/cardano-db-sync | low | Official PostgreSQL chain indexer (resource-heavy) |
Dolos — txpipe/dolos · site | medium | Lightweight data node - fraction of full node resources |
Koios — cardano-community/koios-artifacts · site | medium | Decentralized community REST query layer |
Kupo — CardanoSolutions/kupo · site | high | Fast, lightweight UTxO chain-index |
Mithril — input-output-hk/mithril · site | high | Stake-based snapshots for fast node bootstrapping |
Ogmios — cardanosolutions/ogmios · site | high | WebSocket bridge for cardano-node with JSON/RPC interface |
Oura — txpipe/oura · site | medium | Rust pipeline for chain event streaming |
Pallas — txpipe/pallas | medium | Rust building blocks for Ouroboros/Cardano protocols |
Yaci Store — bloxbean/yaci-store | medium | Modular Java indexer with Blockfrost-compatible APIs |
smart-contracts
| Source | Priority | Description |
|---|---|---|
Aiken — aiken-lang/site · site | high | Most popular smart contract language (~75% adoption), Rust-like syntax |
Aiken Design Patterns — Anastasia-Labs/aiken-design-patterns | high | Best practices and design patterns for Aiken (Anastasia Labs) |
Aiken Examples — aiken-lang/aiken | high | Official Aiken code examples and patterns |
Aiken Stdlib — aiken-lang/stdlib | high | Aiken standard library - list, option, transaction helpers |
Cardano Use Case Templates — cardano-foundation/cardano-template-and-ecosystem-monitoring | high | 19 generic blockchain use-case templates implemented across Aiken (on-chain) and Mesh/Evolution/cardano-client-lib (off-chain). Foundation reference set. |
CIP-113 Programmable Tokens — cardano-foundation/cip113-programmable-tokens | medium | Reference implementation for programmable token standard |
CIP-113 Programmable Tokens Platform — cardano-foundation/cip113-programmable-tokens-platform | medium | Off-chain reference platform for CIP-113 — substandard Aiken validators (KYC, KYC-extended, freeze-and-seize, dummy) and markdown explainers for the KERI / CIP-170 attestation flow. Status R&D. |
Helios — Hyperion-BT/helios | medium | DSL with JS/TS SDK that compiles to UPLC in the browser. Smaller community than Aiken but actively maintained. |
OpShin — opshin/opshin | medium | 100% valid Python that compiles to UPLC |
Pebble — HarmonicLabs/pebble | medium | Smart contract framework by Harmonic Labs (TypeScript) |
Plu-ts — HarmonicLabs/plu-ts | medium | TypeScript eDSL for on-chain and off-chain |
Plutarch — Plutonomicon/plutarch-plutus | medium | Typed Haskell eDSL for highly optimized UPLC |
Plutus — IntersectMBO/plutus | medium | Original Haskell-based smart contract platform by IOG/Intersect |
Scalus — scalus3/scalus | medium | Scala 3 on-chain and off-chain platform |
Smart Contract Vulnerabilities — easy1staking-com/cardano-smart-contract-vulnerabilities | high | 26 documented eUTxO vulnerability patterns with mitigations |
sdk
| Source | Priority | Description |
|---|---|---|
Buildooor — HarmonicLabs/buildooor | low | Smart contract builder tool by Harmonic Labs |
Cardano Addresses — IntersectMBO/cardano-addresses | medium | Address derivation library — Shelley/Byron/Icarus address formats, key encodings, and CLI for offline key management |
Cardano Connect with Wallet — cardano-foundation/cardano-connect-with-wallet | high | Official Cardano Foundation library + React hooks for CIP-30 wallet integration in web dApps |
Cardano Serialization Lib — Emurgo/cardano-serialization-lib | medium | Low-level Rust/WASM serialization library by Emurgo |
cardano-client-lib — bloxbean/cardano-client-lib | medium | Java client library by BloxBean |
cardano-js-sdk — input-output-hk/cardano-js-sdk | medium | IOG’s comprehensive TypeScript SDK, powers Lace wallet |
CIP-113 SDK (TypeScript) — easy1staking-com/cip113-sdk-ts | medium | TypeScript SDK for building applications on top of CIP-113 programmable tokens |
Evolution SDK — IntersectMBO/evolution-sdk · site | high | Next-gen Intersect SDK built on Effect library |
Evolution SDK Packages — IntersectMBO/evolution-sdk | high | Evolution SDK package-level READMEs |
Mesh SDK — MeshJS/meshjs.dev · site | high | Leading open-source TypeScript SDK - tx builder, wallet connectors, React |
Mesh SDK Packages — MeshJS/mesh | medium | Mesh SDK package-level documentation and READMEs |
PyCardano — Python-Cardano/pycardano · site | medium | Lightweight Python library for transaction building |
testing
| Source | Priority | Description |
|---|---|---|
Cardano Node Antithesis — cardano-foundation/cardano-node-antithesis | low | Cardano-specific assets for the Antithesis deterministic-simulation testing platform — primarily for node operators and protocol engineers |
Yaci DevKit — bloxbean/yaci-devkit · site | high | Complete local devnet - instant creation, sub-second blocks |
governance
| Source | Priority | Description |
|---|---|---|
GovTool — IntersectMBO/govtool | high | Official governance UI - register as DRep, delegate, vote |
SanchoNet — input-output-hk/sanchonet | high | Governance testnet for CIP-1694 features |
scaling
| Source | Priority | Description |
|---|---|---|
Hydra — cardano-scaling/hydra · site | high | State channels for instant finality off-chain (production-ready) |
Ouroboros Leios — input-output-hk/ouroboros-leios | medium | Next-gen consensus with Input Endorsers - 30-50x throughput |
oracles
| Source | Priority | Description |
|---|---|---|
Charli3 Pull Oracle Client — Charli3-Official/charli3-pull-oracle-client | medium | Python consumer SDK for Charli3 pull oracle - request feeds, build aggregation transactions, collect multisig signatures |
Charli3 Pull Oracle Contracts — Charli3-Official/charli3-pull-oracle-contracts | medium | Aiken (Plutus V3) contracts for Charli3’s pull-based multisig oracle - minting policy, spending validator, IQR consensus, reward logic |
Charli3 Pull Oracle SDK — Charli3-Official/charli3-pull-oracle-sdk | medium | Python off-chain core for Charli3 ODV oracles - deployment, governance, aggregation, chain queries, datum types |
standards
| Source | Priority | Description |
|---|---|---|
Cardano Docs — input-output-hk/cardano-documentation · site | high | Official Cardano documentation at docs.cardano.org |
Cardano Ledger — IntersectMBO/cardano-ledger | high | Formal ledger specs - Shelley, Alonzo, Babbage, Conway eras, tx validation, fees |
CIPs — cardano-foundation/CIPs | high | Cardano Improvement Proposals - all 170+ standards |
Developer Portal — cardano-foundation/developer-portal · site | high | Official developer portal at developers.cardano.org |
Maintenance bar
Every entry must satisfy: last commit < 6 months old; ≥1 release tag or active issue/PR activity in the last 3 months; no archived / deprecated / sunset banner; for forks, the maintained canonical. See Governance for the full policy.