Harum Packages

Ethereum JavaScript API wrapper repository

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

Onecdot-SDK

Realistic password strength estimation written in typescript

Superfast runtime validators with only one line

Functional BTC/ETH Wallet for Backend

A porting to TypeScript featuring fp-ts, io-ts, monocle-ts, rxjs5 and React

Open Source Unified REST API of 100+ Crypto Exchange Sites

Typesafe decoder for TypeScript

CMake.js - a Node.js/io.js native addon build tool

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

Idiomatic TS array, object utils, Option, Result monads

An addon for arc-web3 which actually lets you sign transactions.

React Native render for draft.js model

Verify NFT ownership of ERC-721 and ERC-1155 tokens on Ethereum blockchain

Saves BTC-<token_name> and ETH-<token_name> data from bittrex

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

Serenity/JS: Next generation acceptance testing library for modern web applications.