safefs
Stop getting EMFILE errors! Open only as many files as the operating system supports.
filequeue
Drop-in Replacement for fs to prevent too many open files
async-lazystream
Open Node Streams on demand with async support (original code from https://github.com/jpommerening/node-lazystream)
filequeue-gliph
Drop-in Replacement for fs to prevent too many open files - adapted for Gliph (credit to treygriffith for original)