WinRAR provides the full RAR and ZIP file support, can decompress CAB, GZIP, ACE and other archive formats www.rarlab.com

USA.com provides easy to find states, metro areas, counties, cities, zip codes, and area codes information, including population, races, income, housing, school, crime rate, weather, environment, map, etc.

WinZip: the world’s leading Zip file utility for file compression, encryption, packaging, and data backup. WinZip ses time and space, making it easy to zip and unzip files for quick, efficient and secure data transmission and storage.

7-Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions.