must Testing and assertion library with friendly BDD syntax — awesome.must.be.true(). Many expressive matchers and is test runner and framework agnostic. Follows RFC 2119 with its use of MUST. Good and well tested stuff.
node-proc Module to access Linux /proc information
plates Unobtrusive templating for the flatiron framework
restful Restful routing using resourceful and director.
si SI and IEC compatible large number parser/formatter module for node.js