- Zim Wiki – My favorite writing program. Great for journals and notes, and it saves the whole structure in plain text files so you can access them directly if you like. In every Linux distro software center that I’ve checked.
- FocusWriter – in the Software Center
- QOwnNotes – in the Software Center
- PS Notes
I have a special addiction to pretty Markdown editors. My favorite is the Mac only, closed-source Ulysses (sorry). So the quest continues for the optimum thing. But these are lovely, just not the full writing suite that Ulysses is.
- Liferea – in the Ubuntu Software Center
- QTodoTxt – based on Todo.txt
- RawTherapee – A nice photo editor for for detailed color and lighting adjustments. I like that I can save presets and apply them to each photo quickly when I’m touching up contrast and such on a bunch of photos. – In most software centers
- Krita – Image editor.
- GIMP – Image editor.
- XNView – for browsing images on your machine. Not the prettiest one, but works great.
- Pithos – A most excellent Pandora music player. You still have to go to the web site to do major station editing, but Pithos doesn’t play the ads (don’t tell anyone). – In the Ubuntu Software Center at least.
- KMyMoney – A very nice, solid finance program. In the Ubuntu Software Center
- KdenLive – Video editing
- Syncthing – local file syncronization
- VeraCrypt – Create an encrypted file bundle
- KeePassX – Password manager
- Posteo – Privacy-centric email service. Works great with Thunderbird or other email program.
- Protonmail – Even more privacy-centric email service, webmail only at the moment.
Super Handy Utilities
- GParted – Partition Management
- Etcher – Making bootable USB drives for Linux installations and the like
- Open Source Astrology – if you have a woo streak and want a Linux astrology program, this is great. It draws a nice chart, but leaves it up to you to know all the symbols.