JSPM

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

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

A small library that provides functions to convert usfm to JSON and vice-versa

An interpreted Lisp-like scripting language for data processing.

Base 32 encodings for JavaScript

A library for interacting with the NOWPayments API

Convert DAI to ETH and back in one command. Fund and draw from your CDP. 14 different actions related to MakerDAO

create starter kit to pull down scaffold-eth or any of its challenges

ASN.1 encoding and decoding

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

A JavaScript cryptocurrency trading library with support for fairdesk.com

Get current and historical prices from uniswap decentralized exchange. Request prices by block number, by date, or request price trend for the last 6 months.

Multi Exchange Crypto Currency Trading bot, Data Analysis Library and Strategy Back testing Engine

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

Detect the file type of a Buffer/Uint8Array

Multi Exchange Crypto Currency Trading bot, Data Analysis Library and Strategy Back testing Engine

Easy Keycloak setup for Angular applications

Elliptic curve implementation in solidity; includes secp256r1

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

Simple pure Javascript implementation of the Cooley-Tukey algorithm. Note: fft-js was chosen as the name since a lot of the FFT implementations on NPM at the time this was published were wrappers for Ruby or C.

CoinForBarter Nodejs Library - Integrate and Manage cryptocurrency payments for goods and services

Component for writing plaintext CSS in React apps -- isomorphic, scoped, FOUC-free, fully featured, CSS-in-JS

validation library

crypto address validator for Bitcoin, Ethereum, XDC and other Altcoins.

JavaScript object serializion and deserializion library using decorators. It supports also advanced Object concepts such as polymorphism, Object identity and cyclic objects.

'Immutable' NodeJS module mocking for CJS (CommonJS) modules for unit testing purposes.

Web3 react connectors

web3.js plugin for areon

http adapter for js-data.

Javascript library for the Twitch Messaging Interface.

Various packages for Monero/CryptoNote cryptography and protocols

A WGS84 geography feature simplifier, based on simplify-js

Simple node.js wrapper for Poloniex REST and WebSocket API.

A Lungo-Quo-Monocle MVC app generator for Yeoman

Solidity Documentation Generator forked from @thinkanddev/solidoc

Time in seconds since the epoch.

A JavaScript NIfTI file format reader.

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

Create Ethereum-powered apps with one command

Wrapper for cryptocurrencies exchanges apis.

Simple node.js wrapper for Gemini REST and WebSocket API

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Idiomatic TS array, object utils, Option, Result monads

Async npm module for Node JS that reads the first line of a file

Web3 Library that enable with just one function to resolve domains on multiple web3 providers such as ENS, UnstoppableDomains and Freename

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

Library for GitHub Action integration and unit testing

CoinPayments is a cloud wallet solution that offers an easy way to integrate a checkout system for numerous cryptocurrencies. Coinpayments now also offers coin conversion via Shapeshift.io.

Multicoin address validator for Bitcoin and other Altcoins.

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

Binary wrapper for Flow - A static type checker for JavaScript

web3.js plugin for polkadot, kusama and substrate nodes' custom RPC methods. This is an ethereum-like rpc api for polkadot. It is meant to be an alternative to @polkadot/api package.

JS implementation of MuSig. 1-dependency MuSig key aggregation, tweaking, and signing.

This will start your Ethereum miner when there are transactions pending or waiting for confirmation

Javascript client for Bee

JS Storage is a plugin that simplify access to storages (HTML5) & cookies, add namespace storage functionality and provide compatiblity for old browsers with cookies!

PreJSS Parser based on PostCSS and plugins

Multicoin address validator for Bitcoin and other Altcoins.

API for blockscout explorer, POA, ETH

Ansi codes, figlet fonts, and ascii art. 100% JS

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

An ULA plugin for processing barcodes for the eth namespace

Relatime Ethereum transactions tracking library

An embedded DSL for Cardano smart contracts creation coupled with a library for Cardano transactions, all in Typescript

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

`@babel/register` wrapper with additional `.ts` and `.tsx` extensions

Physical Units for TypeScript

JavaScript client library for the Alfresco REST API

A simple button brings Web3 Payments to your website or App. DePay simplifies and improves Web3 Payments with the power of DeFi. Accept any token with on-the-fly conversion with state-of-the-art widgets.

copy text programmatically using the clipboard event api

Native system automation for node.js

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

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

Physical Units for TypeScript

Base adapter class that all other js-data adapters extend.

An ULA plugin for processing barcodes for the eth namespace

Javascript client for interacting with Saturn Network decentralized exchange

Dependency injection container without dependencies

Noble secp256k1. High-security, easily auditable, 0-dep, 1-file pubkey & ECDSA.

Import all modules in a directory

JavaScript library for quantity calculation and unit conversion

tsioc is AOP, Ioc container, via typescript decorator

A tiny typed messaging system inspired by js-signals that uses ES2015 sets

HMAC-based Extract-and-Expand Key Derivation Function (HKDF) using blake3

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

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

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

A full-typing wrapper around `aria2`, `The next generation download utility`.

Retrieves TypeScript definitions from Fastify router schema

A simple MD4 hash function for JavaScript supports UTF-8 encoding.

Monorepo for WalletConnect

### What is it?

Chromecast streaming module all in JS

JavaScript barcode generator supporting over 90 types and standards.

Parse module aliases from tsconfig ; Apply / remove them from pathnames ; Generate config for webpack & module-alias.

Http Connection for WalletConnect Providers

Simple STOMP 1.1 Broker for nodejs http applications.

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

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

common code for web3 suite plugins. Code in this repo can be used for truffle or hardhat, but is designed to be applicable to future web3 suite plugins as well.

Infinity Wallet connection SDK for DApp web3 connect integration

A library that helps you clone Nodes from a Typescript AST

Simple Force.com Metadata WSDL parser and types generator.

Functional BTC/ETH Wallet for Backend

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

An extension to the ERC-20 standard token that allows Token wallet owners to request payout from their wallet, by calling the smart contract and attaching a payout instruction string.

Protocol Buffers for Node.js without compiliation

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.

swagger to typescript

A lightweight Javascript Universal Module for parsing durations

Media captions parser and renderer.

Infinity Wallet connection SDK for DApp web3 connect integration

Cucumber-js with sync, callable steps and parsed arguments.

A TypeScript library for ISO 4217 currency codes. Efficiently lookup and validate currency codes, retrieve associated countries, and more.

Given a swagger.json file, generates a number of TypeScript files which can be used as models and model-driven forms in Angular 2 (and above)

ipfs uploader

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

Get a property from an object using dot (object path) notation.

Solidity Documentation Generator forked from @thinkanddev/solidoc

One-Stop-Shop JavaScript library to integrate various web3 crypto wallets and multiple blockchains at once with a single interface.

Typescript ChaCha20 stream cipher

Javascript client for interacting with Saturn Network decentralized exchange

Binary wrapper for Flow - A static type checker for JavaScript

Create actions that return promises, which are resolved or rejected by a redux saga

TypeScript project scripts

Monorepo for WalletConnect Javascript Libraries

Wallet address validator for Bitcoin and other Altcoins.

Secio implementation in JavaScript

Non-fungible token standard implementation for the Ethereum blockchain.

Create an inline tool for editorjs with text formatting tags easily.

React Hooks for getting callers and states by aspida

Bootstrap Styled is a front-end ecosystem for React made with Bootstrap 4 philosophy, using the power of css-in-js thanks to styled-components.

Simple JS queue with auto run for node and browsers

A type detection utility for JavaScript

Advanced typescript localization support for VueJS

Remove indentation from multiline strings

Wallet address validator for Bitcoin and other Altcoins.

Simple module to localize the strings of any JS based program using the same syntax used in the ReactLocalization and ReactNativeLocalization module, use 'npm run build' before publishing

A simple node js implementation of uuid v4 for use with Braintree's JS based SDKs.

Takes in the input of an EVM transaction, re-orders it into an object with a methodID and an array with each index of up to 64 characters. Then it can console log and return that object. Finally, it can search the object for a unique contract address usin

Blazing fast and lightweight autocomplete library without dependencies. 1KB gzipped.

Additional types and tools for typescript

Number, money and currency formatting library.

A Three.js plugin for Mapbox GL JS, using the CustomLayerInterface feature. Provides convenient methods to manage objects in lnglat coordinates, and to synchronize the map and scene cameras.

Squarelink's Web3 library

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

Web3 react connectors

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Interact with TomoChain wallets easily

The JS library containing the Monero crypto plus lightweight wallet functions behind the official MyMonero apps

Interactive react component for displaying javascript arrays and JSON objects.

Helpers to support Truffle's JavaScript tests for Ethereum smart contracts