JSPM

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

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

Multicoin address validator for Bitcoin and other Altcoins.

Data Structures of Javascript & TypeScript. AVLTree, Binary Search Tree, Binary Tree, Tree Multiset, Graph, Heap, Priority Queue, Linked List.

A JavaScript cryptocurrency trading library with support for fairdesk.com

A library for interacting with the NOWPayments Mass Payments API

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

Detect the file type of a Buffer/Uint8Array

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

onename API node JS library

A library for cryptocurrency trading and e-commerce with support for many bitcoin/ether/altcoin exchange markets and merchant APIs

Component for writing plaintext CSS in JavaScript apps

CoiPayments 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.

Whal3s JavaScript Library

Open Source Unified REST API of 100+ Crypto Exchange Sites

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.

Recursively merge nested objects.

Cardano web3 authentication for Passport.

A lightweight utility function, similar to lodash.compact.

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

A replacement for Typescript's default awaiter helper that supports Bluebird promise cancellations.

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

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

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 powerful javascript functions library!

A node.js wrapper for the docker-machine CLI

Expose GC at runtime without access to command node flags in command line for TS apps

authentic and production-ready data structures implementation in javascript.

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 library for interacting with the NOWPayments Mass Payments API

Deploy Solidity contracts straight from source.

authentic and production-ready data structures implementation in javascript.

Libsodium for Node.js

Javascript libraries for neo wallet using https://github.com/neochainio/neowallet/blob/master/js/wallet.js as the original source.

ERC20 Wallet (erc20 wallet example: usdt)

ImmutableSplits are a set of lightweight, immutable, gas-efficient payout split contracts. They are designed to be deployed to a deterministic address by a factory contract, which tracks if a particular payout split has already been deployed.

JavaScript barcode generator supporting over 90 types and standards.

A highly optimized pure JS implementation of Range Slider for React Native

AOP, Ioc container, Boot framework, unit testing framework , activities workflow framework.

map-ext

Curried TypeScript type guards for primitive types and classes

A JavaScript Framework for Solana clients

Retrieves TypeScript definitions from Fastify router schema

Very thin wrapper around js-yaml for directly reading in YAML files.

full web-page's scraping including all css, images, js, etc.

A simple npm package to help you Promisify your Web3 calls

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

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

A javascript OOP toolkit for mobile.

gulp-fn - gulp plugin used in order to run custom callback functions per file

Parse and interact with jalali date

TypeScript-based various types of solutions for TokenE projects only.

The React <QueryBuilder /> component for constructing queries

The Web File implementation for Web3

Generate .docx documents with JavaScript (formerly Office-Clippy)

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

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

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

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

Relatime Ethereum transactions tracking library

x11 javascript hashing algorithm in pure javascript

Smart Contract Validator

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

Simulate an EVM server to replicate forks, delays, and other impactful blockchain events. Enhance the robustness of your web3 development with tools like viem, etherjs, web3js, or your own library through the power of comprehensive testing!

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.

`Result` and `Maybe` types and accompanying `macro-ts` helper macros that allow a safe, functional way of dealing with errors and nullable values.

JavaScript Client for HyperLab Dialex API

Realistic password strength estimation written in typescript

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

hpcc-js - WASM Libraries

A single Web3 / Ethereum provider solution for all Wallets

Web3 react connectors

tsioc is AOP, Ioc container, via typescript decorator

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

Easily generate .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.

Image processing and manipulation in JavaScript

A list of error codes in Mysql

Simulate an EVM server to replicate forks, delays, and other impactful blockchain events. Enhance the robustness of your web3 development with tools like viem, etherjs, web3js, or your own library through the power of comprehensive testing!

Detect the file type of a Buffer/Uint8Array/ArrayBuffer

Number, money and currency formatting library.

Typescript workers plugin for Bree!

spline interpolation

ESLint config for the idiomatic js style

`Result` and `Maybe` types and accompanying `macro-ts` helper macros that allow a safe, functional way of dealing with errors and nullable values.

Kysely dialect for PostgreSQL using the Postgres.js client

A select input made with React js and Tailwind CSS

A highly versatile tree structure for JavaScript.

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

A super simple module for querying the Ethereum RPC layer without formatting.

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

The hard typed level module with some extra features

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

A single Web3 / Ethereum provider solution for all Wallets

Typescript workers plugin for Bree!

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

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

The Telegraf Markup from v4 for v3.39 (TypeScript)

A esbuild plugin to bundle css modules into js(x)/ts(x).

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.

ERC20 Wallet (erc20 wallet example: usdt)

Ingests a smart contract's ABI and autogenerates an OpenAPI JSON, ready for Swagger codegen.

A Node Module for finding files by attributes. Originally developed to find files modified since a particular date.

DynamoDB Document SDK for Javascript

Squarelink's Web3 library

AOP, Ioc container, Boot framework, unit testing framework , activities workflow framework.

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

Access and interact with Aragon Organizations and their apps.

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

env value to JS value, check env val is boolean or others

An SDK for interacting with Lava provider

Neutrino preset for adding Airbnb's JS ESLint config, following the Airbnb styleguide

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

A simple browserifiable module for password-encrypting JS objects.

Circles v2 SDK

The Telegraf Markup from v4 for v3.39 (TypeScript)

The MongoDB Shell

Media captions parser and renderer.

Truffle Plugin for SIMBAChain

A lightweight ethereum javascript wallet.

Fast, robust, type-safe promises

browserify v2 transform to compile JavaScript.next (ES6) to JavaScript.current (ES5) on the fly.

Lightweight wrapper library on top of Ethereum JSON RPC.

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

A JS plugin to view images just like in Windows.

Onecdot-SDK

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

Multicoin address validator for Bitcoin and other Altcoins.

Mocking library for TypeScript

Mempool Node WebSocket NPM package. An helpful utility wrapper around the underlying connection mechanism which adds useful functionality; auto-reconnects, authentication, and an easy API to use it with.

poloniex.com API client library for Node.js

TypeScript strongly-typed wrapper for sync-request library. Make synchronous http calls from TypeScript.

High performance Node.js webserver with a simple-to-use API powered by uWebsockets.js under the hood.

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

`Result` and `Maybe` types and accompanying `macro-ts` helper macros that allow a safe, functional way of dealing with errors and nullable values.

Useful TypeScript utilities and helpers.

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

JavaScript library that suggest fees on Ethereum after EIP-1559 using historical data using ethers.js

Trezor-enabled provider for Provider Engine

JavaScript Client for HyperLab Dialex API

DOM 3 and 4 XPath 1.0 implemention for browser and Node.js environment.

Convert JS object to JSON Schema

Restarts your app when files are modified

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

AquaJS gives developers access to the entire Aqua ecosystem a single package

micromark extension to support MDX or MDX.js JSX

Restarts your app when files are modified

Easily generate .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.

A tiny but elegant parser combinator library written by Mepy

The Full Stack Universal Typescript Framework

Typescript workers plugin for Bree!

JavaScript barcode generator supporting over 90 types and standards.

Deploy Solidity contracts straight from source.

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

Cryptographic functions for ethereum and how to use them with web3 and solidity

Esprima-compatible implementation of the Mozilla JS Parser API

FFI definitions of windows win32 api for node-ffi

Fastest event emitter in the world

Solana Javascript API

Experimental implementation of Maybe and Result monads compatible with await.

Get the latest version of a CSS or JavaScript library hosted on CDNJS

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

Quality checker for projects for browser js and Node.js, can be integrated in build process of Page, also can be as stand alone application.

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

D'CENT Provider wrapping Dcent Web Connector

Immutable, reactive Flux architecture. UI Agnostic.

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

Safe Core SDK

xmlhttprequest-ts is a typescript wrapper for the built-in http client to emulate the browser XMLHttpRequest object and allow isomorphic code that runs in the browser and in node.js.

A esbuild plugin to bundle css modules into js(x)/ts(x).

TypeScript library for building blockchain connectors on nakji network.

Type checker for typescript

Immutable, reactive Flux architecture. UI Agnostic.

groestl javascript hashing algorithm in pure javascript

Checkable list item for Draft.js

Common functionality between the different Decentraland projects

Kinde PKCE authentication for SPAs

An SDK for interacting with Lava provider

⚡️ Convert swagger json api to js and ts

Simple library to decode ethereum logs and transaction

On-screen Virtual Keyboard

A tiny library of assertions that can be used to validate data integrity and optionally produce type inferences of the returned value at the same time.

Small footprint library that helps with typescript assertions.

Monorepo for WalletConnect

Execute jasmine with ts-node

EVM Networks & Node Providers Parameters Documentation