Clithe package manager for JavaScript
Node SemverThe semver parser for node (the one npm uses)
run-scriptRun a lifecycle script for a package (descendant of npm-lifecycle)
proggyProgress bar updates at a distance
configConfiguration management for https://github.com/npm/cli
cacachenpm's content-addressable cache
libnpmsearchprogrammatic API for the shiny new npm search endpoint
gita util for spawning git from npm CLI contexts
npm-profileMake changes to your npmjs.com profile via cli or library
inflightAdd callbacks to requests in flight to avoid async duplication