HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
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.
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Offline Explorer - MetaProducts Offline Explorer is a Windows NT/2000/XP/2003/Vista program that allows you to...
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.