JSPM

EEA JSON-RPC API

resouce loader

PNG encoder/decoder in pure JS, supporting any bit size & interlace, async & sync with full test suite.

a date and time library for javascript

Wallet address validator for Bitcoin and other Altcoins.

Custom identity store for Mimo on OrbitDB

JavaScript expression parsing and evaluation.

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

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

Z-Wave driver written entirely in JavaScript/TypeScript

Image processing and manipulation in JavaScript

An ULA plugin for processing barcodes for the eth namespace

Easy check addresses balances of various crypto tokens. Script automaticaly recognize a protocol by address and return balance of tokens associated with it.

**Modular**, **Interoperable**, and **gas optimized** library for **secure EVM smart contract development**.

Multicoin address validator for Bitcoin and other Altcoins.

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

postgres-schema-ts coverts Postgres schemas into typescript interfaces

A convertor between XML text and Javascript object / JSON text.

Web3modal's provider layer abstraction for simple implementation of web3 wallet connections

API for blockscout explorer, POA, ETH

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

A parser for BNF and EBNF grammars used by jison

A single Web3 / Ethereum provider solution for all Wallets

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

Simple json/js object template strings

style core and js util for tinper-bee

Ethereum JavaScript API wrapper repository

Does a JS type have a getter/setter property

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

A JS plugin to view images just like in Windows.

Validate JavaScript code and report possible syntax errors

Lightweight, fast, and powerful embedded JS template engine

**Modular**, **Interoperable**, and **gas optimized** library for **secure EVM smart contract development**.

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

Simple 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 JS.

JavaScript expression parsing and evaluation.

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

Developer friendly JS Errors

Define Express routes using TypeScript decorators

Ton-Api-SDK is a library for interacting with the Ton blockchain API.

RSA XML Decrypter With typescript support

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

Arbitrary precision modular arithmetic, cryptographically secure random numbers and strong probable prime generation/testing. It works in modern browsers, Angular, React, Node.js, etc. since it uses the native JS implementation of BigInt

Write your project's environments' configs out to JSON files.

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

Framework-agnostic, micro-library for getting stack traces in all environments

microbe.js - A modular JS library for DOM manipulation, and more

Pure JS implementation of the DOM Level 3 XPath specification

Libsodium for Node.js

Convert HTML to PDF in node.js

Simplification of a 2D-polyline or a 3D-polyline.

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

Type checking for .eslintrc.json

JavaScript telemetry tooling for open/inner source projects

Check if NPM package names conflict

authentic and production-ready data structures implementation in javascript.

Javascript client for interacting with Saturn Network decentralized exchange

A multi-dimensional charting library built to work natively with crossfilter and rendered using d3.js

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Common converters for Stache

Gulp plugin for javascript-obfuscator Node.JS package

Lucas Yang's ESLint config

Type Safe EventEmitter

CSS vendor prefix detection and property feature testing.

A javascript library for working with Bezier curves

Noble ed25519 & ristretto255. High-security, easily auditable, 0-dep, 1-file pubkey, scalarmult & EDDSA.

Typescript Class, Method Decorator for Expressjs using ReflectMetadata

Hardhat plugin for eth-gas-reporter, a mocha reporter for Ethereum test suites

Javascript client for interacting with Saturn Network decentralized exchange

Ethereum RPC and Provider errors.

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

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

The meta-framework suite designed from scratch for frontend-focused modern web development.

JavaScript library for quantity calculation and unit conversion

JavaScript Obfuscation Tool.

The package for integrating 'Face Wallet' with 'WAGMI'

A full-featured JavaScript Textile parser

CLI command to show prices of crypto tokens

GYP file format parser in JS

realistic password strength estimation

Native system automation for node.js

Promise support utilites and helpers for TypeScript

Native system automation for node.js

A mini router X ui kit with ts

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

CSS vendor prefix detection and property feature testing.

React popup component from Minutemailer

Listen to realtime updates to your PostgreSQL database

Functional TypeScript utility types such as Optional, Result and others.

Realistic password strength estimation written in typescript

parse transaction input

Return a copy of an object without the given key, or array of keys.

Dynamic style sheets for web components.

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

Typescript implementation of the Ethernet/IP™ protocol.

a lightweight module to sync JS objects in realtime across tabs / windows of a browser.

bitstamp rest and websocket v1 and v2 api client

A native JS bcrypt library for NodeJS.

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

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

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)

Monorepo for WalletConnect

List of JavaScript types

Lightwallet client for nodejs. A multi chain wallet by lightwallet.

Market Making Strategy for Saturn Network DEX

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

Monorepo for WalletConnect Javascript Libraries

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!

It's the best way to zoom an image

A set of comparators written in TypeScript

JavaScript library to scan crypto wallets for liquefiable assets and calculate most cost-effective payment routing.

Standalone script to turn Angular template into js and put it in a module.

1. transform

A GraphQL code generator plug-in that automatically generates utility functions for SWR.

Claims engine implementation in TypeScript

A single Web3 / Ethereum provider solution for all Wallets

base repo for common stuff in my other js projects

Monorepo for WalletConnect

0xcert protocol token implementation for the Ethereum blockchain.

Additional types and tools for typescript

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

App Toolkit for the Web3 Generation

Code first contract entity mapper for Solidity based blockchains like Ethereum, Vechain, Tron

TypeScript Utilities for EIP-6963

A native JS bcrypt library for NodeJS.

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

Call ETH RPC by the right way

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

A simple and opinionated Typescript/Javascript test runner designed to help you to write simple, readable, and maintainable tests.

Resolves Solana wallet names (.abc, .backpack, .bonk, .glow, .sol, and .poor) to wallet addresses and back.

Functional extensions to the Array prototype

Simplification of a 2D-polyline or a 3D-polyline.

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

Protocol Buffers for Node.js without compiliation

An express-based Node.js web application bootstrapping module.

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

Time in seconds since the epoch.

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

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

A set of utilities to help identify IPFS resources on the web

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

Convert Excel date in integer format into JS date. Dates are stored as numbers in Excel and count the number of days since January 0, 1900 (1900 standard, for mac it is 1904, which means January 0, 1904 is the start date). Times are handled internally as

Create web3 apps in turbo mode.

Ethereum JavaScript API wrapper repository

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

Simple solution for compiling pug templates into vanilla JS functions for blazin' fast client-side use.

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.

Type-safe object streams with seamless support for backpressure, ending, and error handling

A Web3 library for interacting with the ZkSync Layer 2 scaling solution.

vue-cli plugin to add web3modal

TypeScript library for building blockchain connectors on nakji network.

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

RDF-Ext is a developer-friendly extension for RDF/JS

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

PNG encoder/decoder in pure JS, supporting any bit size & interlace, async & sync with full test suite.

Automatically detect JavaScript errors, collect detailed diagnostic information, and get notified about errors in real-time.

Client side typescript/javascript SDK for building web3 applications for the DeSo blockchain.

Vue 3 Responsive & Dynamic Grid / Dashboard layout with drag, drop and resizable actions.

Simple, typesafe enums in TypeScript, fully compatible with standard JavaScript

A TypeScript library for working with iterable types

Javascript client for interacting with Saturn Network decentralized exchange

Radix TypeScript ROLA repository

Non-fungible token standard implementation for the Ethereum blockchain.

Javascript library for the Twitch Messaging Interface.

RemoteData type

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

A lightweight utility function, similar to lodash.compact.

Wallet address validator for Bitcoin and other Altcoins.

Simple 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 JS.

Emscripten-compiled Javascript version of NaCl, the Networking and Cryptography library.

Web3 Token is a new way to authenticate users in hybrid dApps using signed messages. Implementation of EIP-4361

Arbitrary precision modular arithmetic, cryptographically secure random numbers and strong probable prime generation/testing. It works in modern browsers, Angular, React, Node.js, etc. since it uses the native JS implementation of BigInt

Open Source Unified REST API of 100+ Crypto Exchange Sites

Strongly typed Cap'n Proto implementation for the browser and Node.js using TypeScript

Discord bot framework built for advanced and amazing bots.

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

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

A MetaMask compatible keyring, for trezor hardware wallets

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

An express-based Node.js web application bootstrapping module.

NEO N3 dAPI - NEP17

Single value and summary metrics

Automatically detect JavaScript errors, collect detailed diagnostic information, and get notified about errors in real-time.

A simple browserifiable module for password-encrypting JS objects.

A few useful functions for signing ethereum data

``` npm i ```

Lightwallet client for nodejs. A multi chain wallet by lightwallet.

SendBird JavaScript SDK

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.

Remove indentation from multiline strings

A gulp plugin for processing files with ESLint

A d3.js library to produce flame graphs.

Node/Js-module for parsing and making sense of ISO8601-durations

This is a shared module of node.js.

Provides utilities for dealing with TypeScript's enum. For example, "list all member names", "list combos of member name and values", etc.

spline interpolation

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

An interpreter for Typescript that can evaluate an arbitrary Node within a Typescript AST

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

user-agent-based polyfill combinator

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

Immutable, reactive Flux architecture. UI Agnostic.

Additional types and tools for typescript

Number, money and currency formatting library.

A few useful functions for signing ethereum data

Convert HTML to PDF in node.js

Crypto phishing & scam list and detector utility for URLs and Smart Contracts

An ULA plugin for processing barcodes for the eth namespace

A library of useful controllers for Stimulus

NPM package for generating and managing globally unique identifiers (GUIDs)

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

**Modular**, **Interoperable**, and **gas optimized** library for **secure EVM smart contract development**.

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

Make weak references to JavaScript Objects.

simple package for create query command to the GraphQL in ethereum

Checks TypeScript types match expected values

NextJS progress bar compatible with new app directory

Non-fungible token standard implementation for the Ethereum blockchain.

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

Breakpoints-js is a lightweight, pure javascript library for attaching callbacks to breakpoints.

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

A custom HTTP server builder that is easy to use and has powerful functionality.

typescript base lib

Autolib

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

Google Maps jQuery plugin and markers helper

Javascript client for interacting with Saturn Network decentralized exchange

FFI definitions of windows win32 api for node-ffi

The didhub sdk for interacting with the didhub smart contracts.

CSS vendor prefix detection and property feature testing.

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

a code generator to generate nest template files and typescript definition files

Simple combinatorics like power set, combination, and permutation in JavaScript

JavaScript library containing aggregated information and abstractions for web3 blockchains.

Simple DTS single-file generation utility for TypeScript bundles