Yes, both Cage and Proofing offer a Free Trial.
Cage is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Proofing is designed for Individuals, Medium Business and Small Business.
The starting price of Cage begins at $8/User/Month, while pricing details for Proofing are unavailable.
Some top alternatives to Cage includes PageProof, GoProof, Ziflow, ProofCafe, QuickReviewer, Workgroups DaVinci Proof, WebProof, Coment, CrossCap Online Proofing and Proofing.
Some top alternatives to Proofing includes Infolio, PleaseReview, PageProof, QuickReviewer, ReviewStudio, Filestage, WebProof, Coment, MediaMarkup and Collabtools.