Yes, both Deltek ConceptShare and SyncSketch offer a Free Trial.
Deltek ConceptShare is designed for Large Enterprises, Medium Business and Small Business.
SyncSketch is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Deltek ConceptShare Starts at $250/Month whereas for SyncSketch Starts at $6.80/Month when Billed Yearly.
Some top alternatives to Deltek ConceptShare includes PageProof, ProofQuick, ProofCafe, QuickReviewer, ReviewStudio, WebProof, Coment, CrossCap Online Proofing, ProofStuff and Proofing.
Some top alternatives to SyncSketch includes Ziflow, ProofCafe, QuickReviewer, ReviewStudio, Workgroups DaVinci Proof, Filestage, WebProof, Coment, MediaMarkup and Proofing.