ts-node
TypeScript execution environment and REPL for node.js, with source map support
ts-jest
A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript
ua-parser-js
Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent data. Supports browser & node.js environment
basic-ftp
FTP client for Node.js, supports FTPS over TLS, IPv6, Async/Await, and Typescript.