passwd-user
Get the passwd user entry from a username or user identifier (UID)
@vlasky/whomst
Updated fork of whomst. Provides functions to retrieve UNIX user (passwd) and group/gid info, with multiple fallback methods
pwuid
getpwuid() binding - returns username, name, home directory, shell, gid from uid
posix-ext
A drop-in replacement for the Node.js modules process, fs and posix providing their POSIX functionality on both POSIX and Windows platforms.
whomst
Module to get user (passwd) and group info, with lots of fallbacks