Yes, both Microsoft Excel and Celoxis offer a Free Trial.
Microsoft Excel is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Celoxis is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Microsoft Excel Starts at $5 whereas for Celoxis Starts at $25/month when yearly.
Some top alternatives to Microsoft Excel includes SpreadsheetWEB, Apple Numbers, Zoho Sheet, Google Sheets, Retable, Rows, LibreOffice, iWork and Sheet2APi.
Some top alternatives to Celoxis includes Smartsheet, Miro, Process Street, Wrike, Notion, Jira, Basecamp, Microsoft PPM, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Quick Base, ClickUp, Resource Management by Smartsheet and Height.