ethereumjs/keythereum

implementation of crypto for the browser

This module provides native bindings to ecdsa secp256k1 functions

RFC9562 UUIDs

browser-side require() the node way

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

takes json-cov output into stdin and POSTs to coveralls.io

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale

simple, flexible, fun test framework

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

String validation and sanitization

Keccak sponge function family

The scrypt password-based key derivation function with sync and cancellable async.

Stanford Javascript Crypto Library

Start and stop geth from Node.js