7-Zip
-alrmz Zip is a file archiver with a high compression ratio. With these tools, you can easily send large amounts of information and receive compressed files open without problems. 7-Zip is an open source program. More source code under the GNU LGPL. Unzip the code under a mixed license: GNU LGPL + decompression restrictions. You can use 7-Zip on any computer, including a computer in a commercial enterprise. No need to register or pay for 7-Zip.
