JSPM

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

HD wallet address generation utility

Gitana Cloud CMS Driver for Node JS

btcmarkets.net API client for node.js

cryptocurrency ascii symbols

A simple, modern, pure JavaScript testing framework.

Dedicated types library for ramda

Image processing and manipulation in JavaScript

RWD utils for conditional rendering and styled-components styling on given resolution breakpoints.

A lightweight Dependency Injection library. Using es6 and other features, remove unnecessary concepts, easy and convenient to use.

A lightweight Javascript Universal Module for parsing durations

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

JavaScript telemetry tooling for open/inner source projects

Package for connecting with Ethereum wallets for dApp

bittrex.com API client for node.js

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

Utility to convert from numbers to their ordinal representations

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

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

Import all modules in a directory

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

Zero-configuration TypeScript Standard Validation

A simple yet smart testing framework for your redux's reducers

Does a JS type have a getter/setter property

Monorepo for WalletConnect

Solana Javascript API

Angular 2+ components for Google Maps

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

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

cryptocurrency ascii symbols

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

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

swagger to typescript with mock data

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

Crypto wallet generator CLI tool

This is RPC tester and get best RPC for ETH or Fork.

A scanner for antlr-based lexers.

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

Model definations

Lightweight i18n for your javascript applications

Angular 2+ components for Google Maps

Fully working version of HCL <> JSON parser for Javascript.

TypeScript generated API clients for various Yagna public APIs. Core library for Golem Network related libraries and SDKs

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.

Microsoft Application Insights JavaScript SDK

Detect the file type of a Buffer/Uint8Array/ArrayBuffer

Solidity Documentation Generator

a library for making web3 addresses more human-readable

prints team-city special messages

PubSub Messaging Pattern in Typescript

swagger to typescript with mock data

Wallet address validator for Bitcoin and other Altcoins.

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

Multicoin address validator for Bitcoin and other Altcoins.

Transactions on tron, aptos, bsc, eth, zksync and more...

Gulp plugin for javascript-obfuscator Node.JS package

React.js datatables without jQuery. Smart react datatable that includes search, pagination and localization.

Get all but the last element or last n elements of an array.

BBAChain Javascript API

0xcert protocol implementation for Ethereum blockchain.

A TypeScript package for all transpiled cheqd ProtoBuf definitions.

Encrypt your client storage (available for TS & JS)

complex type validators that generate TypeScript and Flow types for you

XPath like notation to query a JSON object

Connect Metamask with React Hook

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 little lib for turning native-hdr-histograms to objects

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

A module for tracking Ethereum token balances over block changes.

Javascript client for interacting with Saturn Network decentralized exchange

Hybrid (RSA+AES) encryption and decryption toolkit for JavaScript

Vue 3 library for building Dapps on Ethereum

A Plugin Architecture on top of Draft.JS

Recursively omit empty properties from an object. Omits empty objects, arrays, strings or zero.

Typescript Date library

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

a library for making web3 addresses more human-readable

Unofficial library for the Kite Connect trading APIs, written in TypeScript.

xgettext string extractor tool capable of parsing JavaScript files

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.

### What is it?

User identification system based on web3 technology

Image analysis and comparison for nodejs

Ethereum JavaScript API wrapper repository

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.

Augment the TypeScript compiler module's types to expose hidden internal types

JavaScript cryptographic utilities for OpenSSL-WebCrypto compatibility including PEM-JWK converter.

Onecdot-SDK

Funnels a set of files included (or excluded) from a JS dependency graph

Add a style and an image to your QR code

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

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

YouTube, SoundCloud, Spotify streaming for discord.js bots

High-volume SQS poller

High-level messaging & socket patterns implemented in pure js

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent data. Supports browser & node.js environment

Encode/decode to a custom binary format, much more compact and faster than JSON/BSON

A polyfill for Array.prototype.flat and Array.prototype.flatMap

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

a simple ThreeJS vignette background

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

Strip console, alert, and debugger statements from JavaScript code

Fastest Levenshtein distance implementation in JS.

A module for tracking Ethereum token balances over block changes.

Keeping track of all current cryptocurrency scams in an open-source database

Link your apostrophe project with a spreadsheet in google drive. Sync the data as JSON and store it in its own mongo collection. Takes simple, apostrophe-site configuration in app js. Exposes a command line task and apostrophe UI for initiating a sync.

Flip styles using rtl-css-js

A simple SHA-256 / SHA-224 hash function for JavaScript supports UTF-8 encoding.

Base64 encoding/decoding in pure JS on both modern Browsers and Node.js. Also supports URL-safe base64

estree (and esast) utility to serialize to JavaScript

Linq-Collections: (IEnumerable, ...) + (List, Dictionary, Stack, ...)

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

Deep cloning and comparison for ES5

A mini router X ui kit with ts

Automagically generates command-line interfaces (CLI) for any module. Expected options and help sections are created automatically based on parameters names, with support to async. It can be installed globally, in order to *execute* any module, or .js fil

Package for connecting with Ethereum wallets for dApp

The vanilla JavaScript ES6 minimalistic toast pup-up messages module for your project.

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

JavaScript Library to Use Forge4Flow in Client Applications

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

react-chartjs-2

Very simple vanilla javascript library for creating a custom scrollbar cross-browser and cross-devices.

NiftyKit's Web Components Collection

A simple query layer for the Ethereum RPC.

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

Command-line tool to query the blockchain for a variety of cryptos. View blocks, transactions, and accounts (where applicable).

YouTube, SoundCloud, Spotify streaming for discord.js bots

Encrypt file using public ethereum keys, upload it to IPFS and decrypt it using the private key

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

Documentation parser for DiscordJS projects

an indexed quad mesh with normals and UVs

pure-JS library to handle codepages

A memory version of postgres

Responsive style values for css-in-js.

Transforms lodash function imports into sub-modules imports, which allows for a tree-shaking

a simple ThreeJS vignette background

PostCSS syntax for parsing CSS in JS literals

Simple API to stream Interledger payments between Bitcoin, Ethereum and XRP

Open Source Unified REST API of 100+ Crypto Exchange Sites

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.

A simple JavaScript interface to DXF written in TypeScript.

React comment to help transition between L1 and L2s

A list of error codes in Mysql

Moralis provides a single workflow for building high performance dapps. Fully compatible with your favorite web3 tools and services. This SDK brings the power of Moralis to your Unity projects.

Generate paper wallet for bitcoin with CLI.

Wrapper for bitcoin exchange apis. The easiest way to add cryptocurrency market data into your application!

ADT for handling fetchable and refreshable data

Tiny TypeScript functional dependency injection, based on Node.js AsyncLocalStorage

React HMR support for Typescript as AST transformer

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

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

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

TypeScript library for building blockchain connectors on nakji network.

A high-performance JavaScript 2D/3D polyline simplification library

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

Saves an ndarray as an image to a file

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

Simple library for JavaScript key code constants and key press state

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent data. Supports browser & node.js environment

Command line cryptocurrency price ticker for Bitcoin, Ethereum, Litecoin, and more.

Javascript library for fetching trusted token pricing data from Redstone data ecosystem

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

Resample audio in node or browser using a webassembly port of libsamplerate.

Strongly-typed environment variables from .env & process.env

The exhaustive Pattern Matching library for TypeScript.

vue-cli plugin to add web3modal

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)

Simple API to stream Interledger payments between Bitcoin, Ethereum and XRP

A collection of reusable contracts and Javascript helpers for Ethereum.

Library and wrapper for many blockchains and wallets.

Readium 2 'shared' for NodeJS (TypeScript)

Font Awesome component for Svelte JS, using inline SVG

The iOlite provider with integrated iOlite signer that follows the web3 spec.

Interactive react component for displaying javascript arrays and JSON objects.

A bot framework for discord.js.

Cross platform directory tree watcher, focussed on reliability, speed, and simplicity.

A web3 client to fetch blockchain data just like you are used to with HTTP clients.

High-level API to libsodium.

List of JavaScript types

Wallet address validator for Bitcoin and other Altcoins.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Superfast runtime validators with only one line

Solidity Documentation Generator

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

Salesforce.com SOQL parser and composer

TypeScript Interface for Ethereum

Parse front-matter from a string or file. Fast, reliable and easy to use. Parses YAML front matter by default, but also has support for YAML, JSON, TOML or Coffee Front-Matter, with options to set custom delimiters.

Does this JS environment support the `name` property on functions?

Maps to the proper jest mock type

Parse Web3 receipt events from specific contracts

A d3.js library to produce flame graphs.

Wallet address validator for Bitcoin and other Altcoins.

opinionated and handy js toolbelt

Web crawler for Node.js

Ethereum JavaScript API wrapper repository

Enables body scroll locking (for iOS Mobile and Tablet, Android, desktop Safari/Chrome/Firefox) without breaking scrolling of a target element (eg. modal/lightbox/flyouts/nav-menus)

Higher-order component (HOC) providing web3 context to React app

Utilities for parsing, validating, manipulating, and displaying Ethereum blocks by date

Stringify an object so it can be safely inlined in JavaScript code

Monorepo for WalletConnect

Monorepo for WalletConnect

List of JavaScript types

Agora WebRTC SDK

Unofficial Character AI wrapper for node.

This is a shared module of node.js.

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

A lightweight utility function, similar to lodash.compact.

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

Library and wrapper for many blockchains and wallets.

Realistic password strength estimation written in typescript

Heap data structure for JavaScript / TypeScript.

A partial implementation of java.util.Random for JS

A lightweight ethereum javascript wallet.

Faster swc nodejs binding

Decode BTC, ETH, XRP, BNB Raw Transactions HEX

Fully working version of HCL <> JSON parser for Javascript.

Multiplatform slide-over pane

A node/typescript based migration framework for mongoose

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

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

D'CENT Provider wrapping Dcent Web Connector

Small utilities to make life with TypeScript easier

Helpers

A mini router X ui kit with ts

A simple query layer for the Ethereum RPC.

compile json schema to typescript typings

onename API node JS library

Set for RDF/JS Terms

Library to connect with dagger server and manage subscriptions for Ethereum

Add a style and an image to your QR code

NetworkProvider for Contracts

React Wyre widget.

Business Rules Engine for JavaScript

Generate a public key from a signature

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types