Yes, both Google Drive and Buffer offer a Free Trial.
Google Drive is designed for Large Enterprises, Medium Business and Small Business.
Buffer is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Google Drive Starts at $8/User/Month whereas for Buffer Starts at $5/Month when Billed Yearly.
Some top alternatives to Google Drive includes CollaborateCloud, Odrive, CloudFiles, Dropbox Business, Zoho WorkDrive, FileCloud, Microsoft OneDrive for Business, Dropbox Professional, DocUp and OpenDrive.
Some top alternatives to Buffer includes Crowdfire, SocialBee, Zoho Social, Hootsuite, Planable, SocialMgr, Later, SocialBu, SocialOomph, Broadcast, InoSocial, CloudSocial, SocialHub and Postaside.