Yes, both Dropbox Business and Buffer offer a Free Trial.
Dropbox Business is designed for Large Enterprises, Medium Business and Small Business.
Buffer is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Dropbox Business Starts at $12.50/Month whereas for Buffer Starts at $5/Month when Billed Yearly.
Some top alternatives to Dropbox Business includes CollaborateCloud, Google Workspace, Odrive, Sync.com, Google Drive, FileCloud, Box, Microsoft OneDrive for Business, Dropbox Professional and BluSync.
Some top alternatives to Buffer includes Crowdfire, SocialBee, Zoho Social, Hootsuite, Planable, SocialMgr, Later, SocialBu, SocialOomph, Broadcast, InoSocial, CloudSocial, SocialHub and Postaside.