Yes, both Curate and TrackMyHashtag offer a Free Trial.
Curate is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
TrackMyHashtag is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Curate Starts at $15/Month when Billed Yearly whereas for TrackMyHashtag Starts at $49/Month.
Some top alternatives to Curate includes Zoho Social, Crowdfire, SocialBee, SMhack, Planable, Later, SocialStats, MyHashtags, Hashtagify, CloudSocial, SocialHub, HipSocial by 500apps, Hashtag Generator, TrackMyHashtag and Sharemyinsights.
Some top alternatives to TrackMyHashtag includes Social Opinion, Twitonomy, Tweet Archivist, SocialTracker, Hashtagify, yatta! analytics, Tweetastic, Tweepsmap, Qualified, Workvivo and IFTTT.