Yes, both UTBox and FaxSalad offer a Free Trial.
UTBox is designed for Large Enterprises, Medium Business and Small Business.
FaxSalad is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for UTBox Starts at $59.95/Year whereas for FaxSalad Starts at $0.08per page.
Some top alternatives to UTBox includes Nextiva, FaxSalad, mFax, HelloFax, eFax, eFax Corporate, MyFax, FAX.PLUS, Fax.to, iFax and FaxDroid.
Some top alternatives to FaxSalad includes Nextiva, mFax, HelloFax, eFax, OpenText RightFax Fax Server, RingCentral Fax, Nextiva vFax, MyFax, Fax.to, iFax and FaxDroid.