Yes, both Microsoft 365 and Ability Office offer a Free Trial.
Microsoft 365 is designed for Large Enterprises, Medium Business and Small Business.
Ability Office is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Microsoft 365 Starts at $6/User/Month whereas for Ability Office Starts at $39.99One Time Payment.
Some top alternatives to Microsoft 365 includes CollaborateCloud, Zoho Connect, ClickUp, Workplace, Microsoft Teams, Google Workspace, Dropbox Business, Microsoft OneDrive for Business, Google Admin Console, WPS Office and Outlook.
Some top alternatives to Ability Office includes Microsoft Word, Microsoft 365, LibreOffice, Qualified, Workvivo, OfficeFiles, iWork, SoftMaker Office, OfficeSuite, Collabora Online, WordPerfect Office and Paper Workspace.