What are some alternatives?
When comparing Collabio and WPS Office, you can also consider the following products
Google Drive - Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
Microsoft Office - From desktop to web for Macs and PCs, Office delivers the tools to get work done. View product information or sign in to Office 365.
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
PDF Expert - Download a free trial of PDF Expert - the best PDF software for your Mac. Enjoy advanced reading layouts, powerful PDF editing and classical annotation tools.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.