FOSS list
Free and Open Source software (FOSS) that works on Linux (may also have builds for other platforms but aren’t guaranteed. Check the wikipedia article and/or website if unsure):
Note: Many of these would be available in the official software repositories of your distribution, the links are provided for your information and research.
Officesuite (think MS Office):
Web Browser:
Mozilla Firefox wikipedia website
Google Chromium wikipedia website
Offline mail clients (think MS Outlook):
Mozilla Thunderbird wikipedia website
Mailspring website
Chat:
Instant Messenger:
Telegram wikipedia website (server side isn’t FOSS)
Wire wikipedia website (server side isn’t FOSS)
VOIP (think skype):
Project Chat (think Slack):
Mattermost website
Photo Editor (think Adobe Lightroom):
For KDE, Digikam wikipedia website (this will be available for other desktop environments but may pull down a lot of KDE dependencies)
For GTK, Darktable wikipedia website
Image editing (think Adobe Photoshop):
Vector editing (for logos etc):
Drawing and painting (2D):
3D graphics sculpting, manipulation and animation:
Media Player (think Windows Media Player):
Media Organiser (think Apple iTunes):
Banshee wikipedia website (not updated in awhile but still works)
Audio Recording and editing:
For basic everyday needs:
For Advanced:
Video Editing:
DJ mixing and playback:
Audio Streaming and broadcasting (For internet radio, think shoutcast):
Video Streaming, recording and broadcasting (for Twitch, YouTube Live etc):
Open Broadcaster Software (OBS) wikipedia website
Torrent Clients: