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JavaScript building blocks

BSV Radar building blocks with JavaScript support, ranked by community upvotes.

JavaScript is the lingua franca of BSV web tooling — wallets, explorers, indexers, and most user-facing apps publish JS SDKs here so frontend developers can integrate BSV in minutes.

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Native Bitcoin Script1

ts-sdk

BSV Association

Unified TypeScript SDK for the BSV blockchain

bsv-blockchain/ts-sdk

Core SDKsBSV SDKs

cars-cli

BSV Association

CLI for the Cloud Automated Runtime System (CARS)

bsv-blockchain/cars-cli

Dev ToolingCLI Tools

lars

BSV Association

Local Automated Runtime System for BSV apps

bsv-blockchain/lars

Dev ToolingTesting & Local Networks

create-bsv-app

BSV Association

CLI for bootstrapping BSV React apps

bsv-blockchain/create-bsv-app

Dev ToolingBoilerplates & Starter Apps

BSV TypeScript SDK

BSV Association

The comprehensive TypeScript SDK for developing scalable applications on the BSV Blockchain.

bsv-blockchain/ts-stack

Core SDKsBSV SDKs

Certification Platform

BSV Association

BSV-native certification with BRC-52/53 certificates

bsv-blockchain-demos/certification-platform

Wallets & IdentityIdentity & Certifiers

Utilitary Token Platform

BSV Association

PushDrop-based fungible token platform with overlay

bsv-blockchain-demos/utility-tokens

Tokens & DataFungible Token Protocols

MessageBox Platform

BSV Association

End-to-end encrypted decentralised messaging

bsv-blockchain-demos/messagebox-platform

Wallets & IdentityAuthentication & MFA

Crowdfunding Platform

BSV Association

402 Payment Protocol + token distribution crowdfunding demo

bsv-blockchain-demos/crowfunding-workshop-demo

PaymentsOpen payment protocols

Pollr

Project Babbage

Decentralised polling on BSV

Overlay ServicesDomain-Specific Overlays

Supply Chain Action Builder

BSV Association

Blockchain-based supply chain management

bsv-blockchain-demos/dynamic-supplychains

Overlay ServicesDomain-Specific Overlays

Preimage

BSV Association

Transaction preimage analysis utility

bsv-blockchain-demos/preimage

Dev ToolingDebugging Tools

Desktop Wallet Management

BSV Association

Educational proof-of-concept for desktop wallet patterns

bsv-blockchain-demos/desktop-wallet-data

Wallets & IdentityWallet Toolboxes & Infrastructure

Beef Inspector

BSV Association

BEEF payload debugging tool for BSV transactions

bsv-blockchain-demos/beef-inspector

Dev ToolingDebugging Tools

Pay-QuickR

BSV Association

BSV wallet integration + payments demo

bsv-blockchain-demos/Pay-QuickR

PaymentsInvoicing & Checkout SDKs

Register

BSV Association

Digital identity registration on BSV

bsv-blockchain-demos/register

Wallets & IdentityIdentity & Certifiers

P2P Medical

BSV Association

Encrypted peer-to-peer medical data exchange

bsv-blockchain-demos/p2p-medical

Tokens & DataOn-chain Data Protocols

Prescription Tokens

BSV Association

Tokenisation of medicine and pharmaceuticals on BSV

bsv-blockchain-demos/prescription-tokens

Tokens & DataFungible Token Protocols

Natural Chain

BSV Association

Natural-gas supply chain tracking on BSV

bsv-blockchain-demos/natural-chain

Overlay ServicesDomain-Specific Overlays

Truth Machine

BSV Association

Data integrity and on-chain hashing demo

bsv-blockchain-demos/truth-machine

Tokens & DataOn-chain Data Protocols

gorillacloud

Full-stack hosting colocated with BSV blockchain infrastructure.

b-open-io/gorillacloud

Dev ToolingCLI Tools

tokenpass-desktop

Desktop wallet for the Tokenpass identity system.

b-open-io/tokenpass-desktop

Wallets & IdentityReference Wallet Implementations

1sat-university

Educational curriculum for BSV blockchain development.

b-open-io/1sat-university

Dev ToolingBoilerplates & Starter Apps

wallet-toolbox

BRC-100 wallet toolbox.

b-open-io/wallet-toolbox

Wallets & IdentityWallet Toolboxes & Infrastructure

ordfs-server

HTTP gateway server for OrdFS — content-addressed BSV files.

b-open-io/ordfs-server

Tokens & DataOn-chain Data Protocols

bmap-api

BMAP Planaria for B + MAP-based BSV apps.

b-open-io/bmap-api

IndexersChain Data APIs & Explorers

bitcoin-backup

Backup helpers for Bitcoin SV wallets and identities.

b-open-io/bitcoin-backup

Wallets & IdentityAuthentication & MFA

satoshi-token

Convert BSV satoshi values to and from whole-token display formats.

b-open-io/satoshi-token

Core SDKsBSV SDKs

theme-token

Token-based theme system for BSV apps.

b-open-io/theme-token

Dev ToolingUI Blocks & Component Libraries

messagebox-server

BSV identity-based message box server.

b-open-io/messagebox-server

Wallets & IdentityAuthentication & MFA

1sat-wallet-toolbox

BRC-100 wallet toolbox tailored to 1Sat Ordinals.

b-open-io/1sat-wallet-toolbox

Wallets & IdentityWallet Toolboxes & Infrastructure

1sat-sdk

TypeScript SDK for the 1Sat Ordinals protocol.

b-open-io/1sat-sdk

Tokens & DataNon Fungible Token (NFT) Protocols

bitcoinschema

Bitcoin Schema TypeScript library — B, MAP, AIP, BAP protocol clients.

b-open-io/bitcoinschema

Tokens & DataOn-chain Data Protocols

bitcoin-auth

Bitcoin signature-based authentication for Node.js apps.

b-open-io/bitcoin-auth

Wallets & IdentityAuthentication & MFA

bsv-mcp

An MCP server for Bitcoin SV.

b-open-io/bsv-mcp

Dev ToolingCLI Tools

Run JavaScript SDK

JavaScript SDK for the Run protocol on BSV

runcraft-bitcoin/run-sdk

Core SDKsBSV SDKs