Yes, both Microsoft Power BI and Atom11 offer a Free Trial.
Microsoft Power BI is designed for Large Enterprises, Medium Business and Small Business.
Atom11 is designed for Large Enterprises, Small Business and Medium Business.
The starting price of Microsoft Power BI begins at $4,995/Month, while pricing details for Atom11 are unavailable.
Some top alternatives to Microsoft Power BI includes Google Drive, Tableau, IBM Cognos Analytics, Dundas BI, SAS Business Intelligence, Clear Analytics, SAP BusinessObjects BI, ibi Analytics Platform, Narrative BI and Microsoft Power BI Desktop.
Some top alternatives to Atom11 includes and undefined.