Is CRMSuite Free Distribution Open Source

What kind of license does SuiteCRM has?
Can be consider free distribution?

GNU Affero General Public License version 3

Where should I share the new modifications? Could I share the modifications in my web own website? According the GNU the sharing does not specified where I have to. The AGPL license differs from the other GNU licenses in that it was built for network software. You can distribute modified versions if you keep track of the changes and the date you made them. As per usual with GNU licenses, you must license derivatives under AGPL.