Featured Open Source Projects

A hand-maintained selection of our UTxO blockchain libraries, nodes, indexers, services, and operator tools across Cardano and Handshake. Explore the source, read the documentation, or download a release when a project ships installable binaries.

Editorial catalog · reviewed July 2026 · project metadata is maintained by Blink Labs, not mirrored live from GitHub

Ecosystem context

Standards and infrastructure we build around

Our public projects fit into a wider ecosystem of shared protocols, developer interfaces, and production infrastructure. These links provide useful context without turning the catalog into a live repository feed.

Demeter

Infrastructure and services for teams building and operating Cardano applications.

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CIP-0164 · Leios

The proposed Ouroboros Linear Leios design for higher Cardano transaction throughput and new block-production workflows.

Read the proposal

Project Catalyst

A community-funded track record spanning gOuroboros, Dingo (the Go Cardano node), node APIs, archive infrastructure, and Cardano–Handshake naming systems.

View Catalyst projects
gOuroboros logo

gOuroboros

LibraryProtocol and node software

A Go implementation of Cardano's Ouroboros network protocol and mini-protocols—the foundation for Blink's Cardano tooling and integrations.

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Adder logo

Adder

ToolData services and APIs

A configurable Cardano chain event tool that turns blocks and transactions into application-ready events for downstream systems.

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Dingo logo

Dingo

NodeProtocol and node software

A Cardano node implementation in Go with network sync, ledger validation, block production, and multiple application-facing APIs.

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nview logo

nview

ToolOperations tooling

A terminal dashboard for inspecting a local Cardano node and its health from the operator's workstation.

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Tx Submit API logo

Tx Submit API

ServiceData services and APIs

A Go service that accepts signed Cardano transactions over HTTP and submits them through the node's local submission protocol.

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Bluefin logo

Bluefin

ToolOperations tooling

A standalone Go miner for the Fortuna (TUNA) network that synchronizes the chain and submits mining transactions to remote nodes.

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Bursa logo

Bursa

LibraryData services and APIs

A programmable Cardano wallet in Go with API, CLI, and library interfaces for application integrations.

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Cardano Node API logo

Cardano Node API

ServiceData services and APIs

A Go service that exposes a Cardano node's local interface through practical HTTP APIs for applications and operators.

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TxTop logo

TxTop

ToolOperations tooling

A focused terminal view of a Cardano node's mempool, designed for quick transaction triage by operators.

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UTxO RPC Example

ToolData services and APIs

A reference application from Blink Labs that uses Blaze and UTxO RPC to demonstrate Cardano transaction flows.

Tx Submit API Mirror

ServiceData services and APIs

A lightweight cardano-submit-api-compatible service that mirrors transaction submissions asynchronously to configured backends.

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Handshake Node

NodeProtocol and node software

A Go implementation of the Handshake blockchain node, including consensus, covenants, name state, peer-to-peer transport, mining, and RPC interfaces.

cDNSd

ServiceData services and APIs

A Handshake naming service that indexes Cardano-based second-level domains and resolves them at runtime.

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Plutigo

LibraryProtocol and node software

A pure-Go evaluator for Untyped Plutus Core, covering Cardano Plutus V1–V3 with early V4 support.

cardano-up

ToolOperations tooling

A command-line utility for installing and managing Cardano services across versions and network contexts.

Docker Images logo

Docker Images

ContainerInfrastructure and containers

Public Blink Labs container images for Cardano CLI, DB Sync, Node, Wallet, and Mithril tooling, built for common AMD64 and ARM64 deployments.

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