B1 Free Archiver
http://b1.org/online

B1 is a free multi-platform universal archiver. Currently it works on Windows, Mac and Linux platforms as well as on Android. B1 Archiver supports most popular formats – zip, rar, b1, 7z, iso, tar.gz, and many others. They are constantly working on adding new formats and features to the list. They do our best to make B1 Archiver as fast, simple and safe as possible. The simplest way to get files from .b1 .zip .rar .7z and other archives. Click “select” to choose archive from your computer, wait for a few moments, then browse through archived files, and download or preview only files you need. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog. This will be added to Entrepreneurial Resources Subject Tracer™.