File Viewer Plus
Open, edit, and convert over 400 file formats with File Viewer Plus, the essential utility for Windows.
Collabora Office
Collabora Productivity, of course with CollaboraOnline, offers the most powerful Cloud, Mobile and Desktop Enterprise Office Suite. Cross-device, fully Open Source, excellent interoperability
Office suite Doc Reader
Get All Documents Viewer: Office Suite & read all documents doc, xls, ppt, pdf
Writer Plus (Write On the Go)
Handy writing app allowing you to capture and write down quick ideas on the go.
Fill.xyz
pdfFiller
Scribus
OpenOffice
The official home page of the Apache OpenOffice open source project, home of OpenOffice Writer, Calc, Impress, Draw and Base.
Polaris Office
WPS Office
Xodo PDF
LibreOffice - Free Office Suite
Free office suite – the evolution of OpenOffice. Compatible with Microsoft .doc, .docx, .xls, .xlsx, .ppt, .pptx. Updated regularly, community powered.
Microsoft office (MS 365)
Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote. Save documents, spreadsheets, and presentations online, in OneDrive. Share them with others and work together at the same time.