Yes, both Taggstar and Tag Governance offer a Free Trial.
Taggstar is designed for and Large Enterprises.
Tag Governance is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Tag Governance begins at $1,600 when Billed Monthly, while pricing details for Taggstar are unavailable.
Some top alternatives to Taggstar includes Fomo, Proof, ProveSource, SuperProof, Proofie, JustProof, Conversion Plus, Super Social Proof, Social Proofy and Proofly.
Some top alternatives to Tag Governance includes Google Tag Manager, TagCommander, Crownpeak TagControl, Tealium iQ, DataTrue, GingerTag, Tag Inspector, Tagmate, Scale8 and BlueOptima.