and Pinta
and BitDefender, DrWeb , Comodo
Opera, Tor Browser too
and Evolution
and WPS for Linux (modern interface)
Music Player >>> Audacious, Clementine, QMMP, Rhythmbox, VLC, SMPlayer,
Video Player >>> VLC, SMPlayer, Kodi, Kaffeine (and lots of others)
Music edition and creation >>> Ubuntu Studio (ask stevecook), MuseScore, Audacity, TuxGuitar
Video Edition >>> LightWorks, Kdenlive, Pitivi, Handbrake, Openshot
Dictionary >>> GoldenDic
File Sharing >>> amule (which doesn't work), Trasmission, Dropbox, Mega, YandexDisk
Calendar >>> Rainlendar, Lightning (add-on for Thunderbird), Borg
Password Manager >>> LOTS but Keepassx and EnPass the best