Yes, both Amberlo and CosmoLex offer a Free Trial.
Amberlo is designed for Large Enterprises, Medium Business and Small Business.
CosmoLex is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Amberlo Starts at $35/User/Month when Billed Yearly whereas for CosmoLex Starts at $99/user/month when yearly.
Some top alternatives to Amberlo includes CaseLab, CaseFox, PocketLaw, LexisNexis CounselLink, Legal Track, Lawpath, Clio, Provy and MyPleader.
Some top alternatives to CosmoLex includes and undefined.