Zip Express is a free, no hassle, ad-free software application for Mac OS X (Universal compatibility) that gives you complete control of Zip archives. With Zip Express you can now easily create new Zip archives, open archives without unzipping them, add, remove and change the contents of zip files as well as the usual extract features. Best of all, not only is it a mere 6mb small. (Zip Express is a Universal compatible application and will run on both PowerPC and Intel formats).
Mac OS X