Web Browser: Chrome, Chromium
Email Client: unity-mail
Terminal: Gnome Terminal
IDE: VIM
File manager: Nautilus
Basic Text Editor: Gedit
IRC/Messaging Client: None
PDF Reader: Evince
Office Suite: LibreOffice, Google Drive
Calendar: Gnome Calendar, Google Calendar
Video Player: VLC, YouTube
Music Player: Audacious
Photo Viewer: Gnome Image Viewer
Screen recording: None