Yes, both Tagembed and Aggreto offer a Free Trial.
Tagembed is designed for Large Enterprises, Medium Business and Small Business.
Aggreto is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Tagembed Starts at $9/Month when Billed Yearly whereas for Aggreto Starts at $29/Month when Billed Yearly.
Some top alternatives to Tagembed includes Twitter Analytics, Social Opinion, TrueSocialMetrics, Planable, Elementary Analytics, Analyser PRO, Aggreto, Juicer, CloudSocial, SocialBee, SocialGest and GetSocial.
Some top alternatives to Aggreto includes Crowdfire, SocialBee, Buffer, Zoho Social, Hootsuite, Planable, SocialMgr, Later, Broadcast, CloudSocial, SocialHub, Send Social Media, Sociality.io, Posted and ArchiveSocial.
