Short list of what I’m using on my Linux Desktop:
Netbeans (a couple of versions)
SQL Developer – Oracle
Squirrel SQL Client
JEdit
Meld
VirtualBox
Filezilla
gSTM
FeeeMind
xCHM
yEd Graph Editor
mc
Remmina Remote Desktop Client
Skype
Wireshark
Rhythmbox
VLC Media Player
ClamTK
catfish
Darktable
Dia
Inkscape
MyPaint