Description: TSDocs.dev is a service that lets you browse type reference documentation for Javascript packages.
It works even with packages that aren't written in Typescript (sourced from DefinitelyTyped) or when packages re-export types from other packages.
Its depends heavily on a customized version of typedoc for generating API docs documentation.

Source: https://github.com/pastelsky/tsdocs

Description: npm, Inc. is a company founded in 2014, and was acquired by GitHub in 2020. npm is a critical part of the JavaScript community and helps support one of the largest developer ecosystems in the world.
npm is the package manager for Node.js. It was created in 2009 as an open source project to help JavaScript developers easily share packaged modules of code.
The npm Registry is a public collection of packages of open-source code for Node.js, front-end web apps, mobile apps, robots, routers, and countless other needs of the JavaScript community.
npm is the command line client that allows developers to install and publish those packages.