fs-extra
popularfs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.
Updated by @jprichardson
micromatch
Glob matching for javascript/node.js. A replacement and faster alternative to minimatch and multimatch.
Updated by @es128
filesize
JavaScript library to generate a human readable String describing the file size
Updated by @avoidwork
send
Better streaming static file server with Range and conditional-GET support
Updated by @dougwilson