WikiSuite is especially suited to knowledge-centric organizations and offers most (80%+) of the data and information management features all organizations need. Key components include: Tiki Wiki CMS Groupware (TikiWiki), Openfire, Virtualmin and Syncthing.
Google Workspace - Google's encompassing suite of cloud-based business apps.
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.
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Odoo - An all-integrated business app suite to unleash your growth potential.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.