JSPM

TypeScript execution environment and REPL for node

A JS implementation of JSONPath with some additional operators

Symbolic computing and numeric evaluations for JavaScript and Node.js

JavaScript library to retrieve Web3 assets of a given or connected wallet/account.

package helper for ethereum blockchain and EVM based network

authentic and production-ready data structures implementation in javascript.

Download website to a local directory (including all css, images, js, etc.)

Execute CLI commands in node.

Safely evaluate JavaScript (estree) expressions, sync and async.

React Tabulator component

The most efficient JS implementation calculating the Levenshtein distance, i.e. the difference between two strings.

XMLHttpRequest polyfill for node.js by Ionut Costica (github.com/souldreamer/xhr2-cookies.git) with minor modification to xml-http-request.tx, removed references to process.versions.node

The hard typed level module with some extra features

Solidity Documentation Generator

JavaScript barcode generator supporting over 90 types and standards.

The best job scheduler for Node.js and JavaScript with cron, dates, ms, later, and human-friendly support. Works in Node v10+ and browsers (thanks to bthreads polyfill), uses workers to spawn sandboxed processes, and supports async/await, retries, thrott

Return a copy of an object without the given key, or array of keys.

Monorepo for WalletConnect

Bubble Protocol SDK

Converter between ETH and Ethermint addresses

Easy-to-use config storage via JSON with optional base-64 encryption for sensitive data

Multicoin address validator for Bitcoin and other Altcoins.

Parses a link header and returns paging information for each contained link.

A module for managing various keyrings of Ethereum accounts, encrypting them, and using them.

Karma preprocessor that downloads JS files from <script> tags from html

Bubble Protocol SDK

ASN.1 encoder and decoder

Parses CSS inline style to JavaScript object (camelCased).

Solana Javascript API

Open Source Unified REST API of 100+ Crypto Exchange Sites

Simple API to stream Interledger payments between BTC, ETH, DAI and XRP

High-level API to libsodium.

Solidity Documentation Generator

A simple, maximally extensible, dependency minimized framework for building modern Ethereum dApps

Realistic password strength estimation written in typescript

React components to render results from TokenSniffer API

opinionated and handy js toolbelt

A Modular, Extensible and Flexible web3 wallet framework for building dApps.

Onboard users to web3 by allowing them to select a wallet, get that wallet ready to transact and have access to synced wallet state.

A JavaScript 2D physics engine.

React Wyre widget.

A simple wrapper around the youtube iframe js API for react native

A DraftJS plugin for supporting Markdown syntax shortcuts

NATS TypeScript/Node.js template for the AsyncAPI generator.