- mocha
simple, flexible, fun test framework
- semver
The semantic version parser used by npm.
- axios
Promise based HTTP client for the browser and node.js
- webpack
Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
- rimraf
A deep deletion module for node (like `rm -rf`)
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- commander
the complete solution for node.js command-line programs
- superagent
elegant & feature rich browser / node HTTP with a fluent API
- body-parser
Node.js body parsing middleware
- Top 12 Jupyter Notebook extensions