I appearance it if you let me know your opinion about this proposal.

Description : Having more than one vocabulary per content type wastes lots of space for taxonomies. And authors would have to scroll down for each post. For addressing this issue, this module renders vocabularies inside a table in order to show several vocabularies on each row.
It also has other purposes but in the first release only the above issue will be addressed.

I'm aware that it's possible using only css, but the problem is taxonomies' width changes and by using only css there is a big chance that they become even worse