Yes, both Sidebird and CloudSocial offer a Free Trial.
Sidebird is designed for and undefined.
CloudSocial is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Sidebird Starts at $7/Month when Billed Yearly whereas for CloudSocial Starts at $13/Month when Billed Yearly.
Some top alternatives to Sidebird includes ReclaimAI, ZoomInfo InboxAI, Social Opinion, Social Web Suite, CloudSocial, Twitter Ads, Tweelog, Tweepsmap, SocialDog, Qualified, Workvivo, Tweetify, Blog To Social and IFTTT.
Some top alternatives to CloudSocial includes Crowdfire, SocialBee, Buffer, SMhack, Zoho Social, Hootsuite, Planable, Socialhoox, SocialMgr, Later, Broadcast, Astute Social, SocialHub, HipSocial by 500apps and SocialHuge.