minizlib
A small fast zlib stream built on [minipass](http://npm.im/minipass) and Node.js's zlib binding.
pako
zlib port to javascript - fast, modularized, with browser support
fflate
High performance (de)compression in an 8kB package
jszip
Create, read and edit .zip files with JavaScript http://stuartk.com/jszip
pizzip
Create, read and edit .zip files synchronously with Javascript