extra-bit
The bit is a basic unit of information in information theory, computing.
extra-bit.web
The bit is a basic unit of information in information theory, computing {web}.
sparse-bit-string
A utility for packing large integer sets in to URL-encodable strings.
fast-int-set
> A fast Set implementation for integer numbers, written in JavaScript This library has several data structures, focused on working with sets of integer values using get/set, and/or/not/xor operations