JSPM

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

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

Retrieves TypeScript definitions from Fastify router schema

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

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

A library for interacting with the NOWPayments Mass Payments API

A single Web3 / Ethereum provider solution for all Wallets

Whal3s JavaScript Library

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

Smart Contract Validator

A JavaScript cryptocurrency trading library with support for fairdesk.com

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.

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

Detect the file type of a Buffer/Uint8Array

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

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

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

Recursively merge nested objects.

onename API node JS library

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

Convert JS object to JSON Schema

A powerful javascript functions library!

Cardano web3 authentication for Passport.

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

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

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

micromark extension to support MDX or MDX.js JSX

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

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

The Web File implementation for Web3

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.

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

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

Solana Javascript API

Squarelink's Web3 library

authentic and production-ready data structures implementation in javascript.

Libsodium for Node.js

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

JavaScript barcode generator supporting over 90 types and standards.

ERC20 Wallet (erc20 wallet example: usdt)

x11 javascript hashing algorithm in pure javascript

A library for interacting with the NOWPayments Mass Payments API

Restarts your app when files are modified

poloniex.com API client library for Node.js

Deploy Solidity contracts straight from source.

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

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

Onecdot-SDK

A highly versatile tree structure for JavaScript.

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.

The MongoDB Shell

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

DynamoDB Document SDK for Javascript

hpcc-js - WASM Libraries

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.

A javascript OOP toolkit for mobile.

Multicoin address validator for Bitcoin and other Altcoins.

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

Deploy Solidity contracts straight from source.

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

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

A lightweight ethereum javascript wallet.

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

map-ext

Multicoin address validator for Bitcoin and other Altcoins.

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

A JavaScript Framework for Solana clients

A simple browserifiable module for password-encrypting JS objects.

Circles v2 SDK

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

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

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

An SDK for interacting with Lava provider

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

Image processing and manipulation in JavaScript

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

A JS plugin to view images just like in Windows.

Lightweight wrapper library on top of Ethereum JSON RPC.

A single Web3 / Ethereum provider solution for all Wallets

Relatime Ethereum transactions tracking library

Access and interact with Aragon Organizations and their apps.

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

JavaScript Client for HyperLab Dialex 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

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.

Typescript workers plugin for Bree!

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

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

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

authentic and production-ready data structures implementation in javascript.

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.

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

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

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.

Type checker for typescript

Curried TypeScript type guards for primitive types and classes

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

Detect the file type of a Buffer/Uint8Array/ArrayBuffer

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

Restarts your app when files are modified

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

Experimental implementation of Maybe and Result monads compatible with await.

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

Typescript workers plugin for Bree!

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

Realistic password strength estimation written in typescript

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

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

Esprima-compatible implementation of the Mozilla JS Parser API

⚡️ Convert swagger json api to js and ts

An SDK for interacting with Lava provider

JavaScript barcode generator supporting over 90 types and standards.

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

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!

A select input made with React js and Tailwind CSS

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.

Kinde PKCE authentication for SPAs

Checkable list item for Draft.js

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

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

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

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

ERC20 Wallet (erc20 wallet example: usdt)

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

Parse and interact with jalali date

Simple library to decode ethereum logs and transaction

Trezor-enabled provider for Provider Engine

Media captions parser and renderer.

The hard typed level module with some extra features

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

The React <QueryBuilder /> component for constructing queries

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

A tiny but elegant parser combinator library written by Mepy

Common functionality between the different Decentraland projects

EVM Networks & Node Providers Parameters Documentation

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

Fast, robust, type-safe promises

Open Source Unified REST API of 100+ Crypto Exchange Sites

Mocking library for TypeScript

A list of error codes in Mysql

ESLint config for the idiomatic js style

D'CENT Provider wrapping Dcent Web Connector

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

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

A lightweight utility function, similar to lodash.compact.

Fastest event emitter in the world

A simple npm package to help you Promisify your Web3 calls

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

JavaScript Client for HyperLab Dialex API

Truffle Plugin for SIMBAChain

A node.js wrapper for the docker-machine CLI

Kysely dialect for PostgreSQL using the Postgres.js client

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.

On-screen Virtual Keyboard

Typescript workers plugin for Bree!

The Full Stack Universal Typescript Framework

spline interpolation

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

Immutable, reactive Flux architecture. UI Agnostic.

groestl javascript hashing algorithm in pure javascript

Number, money and currency formatting library.

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

tsioc is AOP, Ioc container, via typescript decorator

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.

Small footprint library that helps with typescript assertions.

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

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

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

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

Web3 react connectors

Immutable, reactive Flux architecture. UI Agnostic.

Monorepo for WalletConnect

Execute jasmine with ts-node

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

FFI definitions of windows win32 api for node-ffi

`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.