JSPM

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

React component for the Wyre widget.

Contains ephemeral lens contracts that can be called without deployment and their interfaces in various Web3 libraries.

A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges

Yet another event emitter written in typescript.

An ULA plugin for processing barcodes for the eth namespace

Minimal Ethereum Tools

Initialize a React web3 frontend using Next.js, wagmi, ethers and TailwindCSS

Recursive camel casing of object property names with proper typing

A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges

openapi-ts

Utility for reading and resolving the module export names from a TypeScript or JavaScript file

A lightly-typescriptified version of jison

Exhaustiveness checking in TypeScript

A Starter Template for Next JS, TailwindCSS, Daisy UI frontend with Hardhat(Solidity) backend.

Client for WalletConnect

DateJS is the most full-featured, internationalized, open-source JavaScript Date Library.

Monorepo for the Firebase JavaScript SDK

A reusable charting library written in d3.js

Miscellaneous Encoding Utilities for Crypto-related Objects in JavaScript

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

Get properties of EMV-based network

JavaScript SDK to manage and interact with the safe claims on Safient protocol.

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

Typescript bindings for canonical JSON representation of gRPC messages.

Provides execution context wrapper for node JS, can be used to create execution wrapper for handling requests and more

generate TypeScript types from your Zod schema

Array.prototype.find ES6 polyfill for ES5 versions and lower.

Argument management for console applications..

Build TypeScript typings for SOAP WSDL

Toastify is a lightweight, vanilla JS toast notification library.

A Node.js library for seamless Ethereum blockchain interaction, facilitating tasks like balance checks, transactions, and more with ease.

A utility to provide lru memoization for any js function

Add a style and an image to your QR code

A small library that contains functions that I might need to re-use in the future written in TypeScript

Check if NPM package names conflict

shared eslint config for typescript

Serenity/JS: Next generation acceptance testing library for modern web applications.

A collection of simple and lightweight randomizers for JavaScript (TypeScript friendly)

Simple typescript mongo ORM for node.js based on data-mapper, unit-of-work and identity-map patterns

CLI utility that broadcasts BTC, ETH, SOL, ZEC & XMR transactions through tor using public block explorers

Patch typescript to support custom transformers in tsconfig.json

Strip comments from code. Removes both line comments and/or block comments, with options to leave protected comments unharmed.

Fixed window rate-limiting directive for GraphQL. Use to limit repeated requests to queries and mutations.

A complete, bidirectional, JXON library

Does a JS type have a getter/setter property

Lightweight and real-time data functional stream programming framework like event-stream, written in ES6 using async await with multi-threading and typescript support

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

TypeScript-based source development script for Rarimo Protocol

The hard typed level module with some extra features

Simple Force.com Metadata WSDL parser and types generator.

Promise support utilites and helpers for TypeScript

A Vue.js boilerplate for Ethereum dApps, built on Truffle

A C++ module for node-js that does base64 encoding and decoding.

A mini router X ui kit with ts

Easily check if a givin object is an ES6 WeakMap

Inlines style sheets, images, fonts and scripts in HTML documents. Works in the browser.

Wallet address validator for Bitcoin and other Altcoins.

Get an iterator for any JS language value. Works robustly across all environments, all versions.

Vue 3 library for building Dapps on Ethereum

NodeJS/JS library for parsing ethereum/web3 logs, events, and methods.

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

Checks the ECMAScript version of .js glob against a specified version of ECMAScript with a shell command

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

A JavaScript / Python / PHP cryptocurrency trading library with support for 90+ exchanges

React Component for Converting File to base64

Automatically re-write the destination extension of a filepath based on the source extension. e.g `.coffee` => `.js`. This will only rename the ext, no other path parts are modified.

Solana Javascript API

Detect the file type of a Buffer/Uint8Array/ArrayBuffer

Solana Javascript API

Internationalize React apps. Not only for React.Component but also for Vanilla JS.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

Solidity Documentation Generator

Multiplatform slide-over pane

Chromecast streaming module all in JS

JavaScript barcode generator supporting over 90 types and standards.

A lightly-typescriptified version of jison

Coinbase Cloud JavaScript SDK

A connect middleware to serve a RESTful api by some json and js files

Simple way to send ether.

Library to compare two (JSON-serializable) structures and return their differences.

Package to fix style (css/sass/less) only entries generating a extra js file.

Convert an Ethereum private key to a public key

Converter between ETH and Ethermint addresses

Uses user-agent to set css classes or directly usable via JS.

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

A high-performance SVG renderer and toolkit, powered by Rust based resvg and napi-rs

Javascript/TS library for Robotical RIC

A javascript library that helps you find week-days.

onename API node JS library

Multicoin address validator for Bitcoin and other Altcoins.

normalized JS Object and JSON message and event protocol for ES6+ node.js, browsers, electron, vanialla js, react.js, components, actions, stores and dispatchers

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

simple jsonrpc client/server handler

estree (and esast) utility to serialize to JavaScript

HTTPS server running on localhost

From the Bay to LA, scraper will collect all of the images from the url you tell it to and return a list of the images that best represent the site.

A complete, bidirectional, JXON library

Add context awareness to your apps and frameworks by safely evaluating user-defined conditional expressions. Useful for evaluating expressions in config files, prompts, key bindings, completions, templates, and many other user cases.

Small, fast and advanced PNG / APNG encoder and decoder

json pointer - failsafe data retrieval on js and json objects

is a tiny JS library for one time passcode (OTP). Supports smart input suggestion on iOS and code autofill on Android (it will be filled when you press the copy button on the SMS notification bar)

CoinForBarter ReactNative Library - Integrate cryptocurrency payments for goods and services in your Mobile App

Parse and interact with jalali date

A Vue.js boilerplate for Ethereum dApps, built on Truffle

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

Recursive camel casing of object property names with proper typing

Open Source Unified REST API of 100+ Crypto Exchange Sites

A module for getting method signature info from an platon method signature.

React JS text internationalization and externalizing

Helpers for web3 development.

An abstract-leveldown compliant store on top of IndexedDB

Never memorize a blockchain explorer again.

Solidity Documentation Generator forked from @thinkanddev/solidoc

Type safe replacement for node's EventEmitter

Access and interact with Aragon Organizations and their apps.

Quorum.js is an extension to web3.js providing support for JP Morgan's Quorum API

UI toolkit monorepo containing a React component library, UI utilities, a drag-and-drop library, and more

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

btcmarkets.net API client for node.js

A pure typescript BMP encoder and decoder

High performance client for all Decentralized Exchanges built on top of EVM compatible Blockchains

Recursive camel casing of object property names with proper typing

Media captions parser and renderer.

Opinionated HTML formatter focused towards making HTML diffs readable.

Small library for calculating carbon footprint of Ethereum smart contracts

Ethereum JavaScript API wrapper repository

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Javascript library for the Twitch Messaging Interface.

Solidity Documentation Generator

Libsodium for Node.js

Realistic password strength estimation written in typescript

A tiny utility for detecting the BitKeep Ethereum provider, or any EIP 1193-compliant provider.

Enterprise level PostgreSQL client for JavaScript

React JS text internationalization and externalizing

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

lightweight rangeslider for browserify and the browser

A TypeScript custom transformer which minify names of private class members

A gulp plugin for processing files with ESLint

Wallet address validator for Bitcoin and other Altcoins.

Add a style and an image to your QR code Vue3

Get the line number of a string using index or position

A set of tools for working with Web3 and Ethereum smart contracts.

copy text programmatically using the clipboard event api

A js mask simple like killing zombies =).

Ethereum JavaScript API, middleware to talk to a ethereum node over RPC

Markdown to React Component converter

Heap data structure for JavaScript / TypeScript.

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

An intuitive and precise Ethereum converter tool, adept at handling wei, eth, and custom token units, all built on the robust bignumber.js

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

React bindings for Reflex

XML library to ease the use of XML with namespaces

Radix Connect button repository

Ethereum ethers.js vuex store module generator plugin for vue-cli 3. Build dapps!

Fixed window rate-limiting directive for GraphQL. Use to limit repeated requests to queries and mutations.

tsioc is AOP, Ioc container, via typescript decorator

Web3 react connectors

Mock Pusher.js in your JavaScript tests with ease