When comparing B1 Free Archiver vs 7zFM, the Slant community recommends B1 Free Archiver for most people. In the question“What are the best Archive Managers for X11 (Linux/BSD & Co)?” B1 Free Archiver is ranked 3rd while 7zFM is ranked 5th. The most important reason people chose B1 Free Archiver is:
A great and unique utility for someone who is on a locked down public workstation, or on someone else's computer, one can unarchive using the B1 Online Archiver [here](http://online.b1.org/online).
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Webapp unarchiver available on their website
A great and unique utility for someone who is on a locked down public workstation, or on someone else's computer, one can unarchive using the B1 Online Archiver here.
Pro Multiplatform
Pro Free
Pro Multiplatform
it is available for windows and UNIX-like systems.
Pro p7zip-gui is the official GUI for 7z
It is made for 7z but it can also unpack other files.
Cons
Con Made for 7z
might not support all features from other file formats.