Neither Google Tag Manager nor Onlive offers a free trial.
Google Tag Manager is designed for Large Enterprises, Medium Business and Small Business.
Onlive is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Google Tag Manager and Onlive are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Google Tag Manager includes Viraltag, Launch by Adobe, TagCommander, Tag Governance, Tealium iQ, Google Analytics, GingerTag, TapAnalytics, Tagmate and Scale8.
Some top alternatives to Onlive includes Event Express, Event Always, VES Virtual, EMSystem, Eventsair, Eventene, Eventdrive, Eventsforce, EventX and Let's Get Digital.