JSPM

cryptocurrency ascii symbols

Module for connecting dApps to Web3-Onboard to ease connection

A simple library for multiple inheritance in JavaScript.

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

Experiments with RuuviTags and TS

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

TypeScript/JS lib for dashboard layout and creation, responsive, mobile support, no external dependencies, with many wrappers (React, Angular, Vue, Ember, knockout...)

Mapbox GL JS plugin for switching language to the browser language.

Get the index of the first element in an array that returns truthy for the given value, using strict equality for comparisons.

A small utility to estimate the gas fee for the Ethereum transactions. It supports legacy fee and EIP-1559 fee.

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

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

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

Mapbox GL JS plugin for switching language to the browser language.

A package to efficiently and accurately convert dates to Ethereum/L2 block numbers

php date() work-alike for nodejs

Crypto wallet generator CLI tool

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

An efficient Ether and token balance scanner

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

Detect NSFW content client side

Multicoin address validator for Bitcoin and other Altcoins.

Functional BTC/ETH Wallet for Backend

React Tabulator is based on tabulator - a JS table library with many advanced features.

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

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

vue-cli plugin to add web3modal

Smart Contract Validator

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.

Solana Javascript API

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

Solidity smart contract utilities, token standards and other useful libraries and templates for your web3 development needs.

Port of TweetNaCl cryptographic library to JavaScript

A utility for transmux ts/mp4/flv

A type detection utility for JavaScript

opinionated and handy js toolbelt

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

A tree data structure that is always updated from the root, making easier to think in a reactive way.

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

Library to connect with dagger server and manage subscriptions for Ethereum

Business Rules Engine for JavaScript

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

A MetaMask compatible keyring, for D'CENT hardware wallets