Top ten "for everyday use, and everyday users", among those I use myself. Oki, I give it a try:
Firefox
Thunderbird
LibreOffice (OpenOffice as alt)
Joplin (Standard Notes as alt)
digiKam (for those with photography interest)
RawTherapee (for those with photography interest)
Hypnotix (IPTV player)
FileZilla
Element
Mastodon