Multi-chain cryptocurrency SDK for TypeScript — unified API for Bitcoin, Ethereum, Litecoin, Dogecoin, Bitcoin Cash, Polygon, Arbitrum, and any EVM-compatible chain. Create wallets, query balances, send transactions, and manage tokens and NFTs across UTXO
RPC-like experience over a regular REST API, with type safe server implementations 🪄
HFS Plus string utilities
Zero dependencies, gracefully terminates HTTP(S) server.
Polyfill URL and URLSearchParams
Precondition checking utilities.
Type safe CSS-in-JS API heavily inspired by react-jss
A small library for parsing and serialisation query strings
entity tag module
Full featured Promises/A+ implementation with exceptionally good performance
XS Advanced Container Security API for node.js
Streaming, source-agnostic EventSource/Server-Sent Events parser
Config loader for secretlint.
A React hook for the IntersectionObserver API that uses a polyfill when the native API is not available
Fast, portable image processing for Node agents.
AWS SDK for JavaScript Health Client for Node.js, Browser and React Native
The official TypeScript library for the Sendblue API API
OpenAI plugin for LiveKit Node Agents
GitHub backend for Decap CMS
JavaScript package for DocSearch, the best search experience for docs.
Generated code used by the Cerbos client libraries
A sync implementation of the VS Code API. Only supported from a worker in NodeJS and browser
TypeScript definitions for dom-speech-recognition
Utility functions to build and interact with the Identify API