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.
GNU Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.