Communication:

• Discord
• Pidgin
• WhatsApp

Internet:

• aTube Catcher
• Firefox
• qBittorrent

Office:

• LibreOffice

Graphics & design:

• Blender
• GIMP
• Inkscape

Utilities:

• 7-Zip
• Notepad++

Video editing & play:

• Audacity
• Avidemux
• OBS Studio
• Video Converter (Aiseesoft)
• VLC media player
• Winamp

Emulation & lobby:

• Fightcade
• MAME