FreeOffice is an alternative to Microsoft Office I hadn't heard of until very recently, and to be fair, it's not the most complete in replacing every aspect of Microsoft's suite of apps.
When I talk to Windows users who hate the look of Microsoft Office’s post-2007 interface, I always recommend Apache OpenOffice. Calc, OpenOffice’s Excel alternative, looks and feels like ...
a Microsoft Office alternative that’s less than $20. This suite comes with the tools you’d need for school or work, including a high-quality text processor, spreadsheet, and presentation modules.
Tired of subscription fatigue? Microsoft has quietly released a new version of its popular productivity suite for Mac users, offering a welcome alternative to the Microsoft 365 subscription model.