Simple Audio Conversion with FFMpeg. Is that still a thing? I can’t keep up with all the forks.
On-demand System Tray. I can’t stand the Unity Panel. Give me back my WindowMaker. (Like that’s going to happen. Even MacOSX is disowning the awesome NeXT UX.)
How to add extra airplanes on FlightGear Flight Simulator. I’m not much of a gamer so I didn’t know there was such a game. But, judging from the screenshots, Linux games have sure improved.
I liked this video from Neal Stephenson promoting a kickstarter project to finance better sword-fighting in computer games.
This looks pretty cool: Boxer. What does it do? “Boxer plays all the MS-DOS games of your misspent youth, right here on your Mac. Drag-drop your CDs, floppies and bootleg game copies onto Boxer and wrap them into gameboxes you just click to play.” (Kudus: Gruber.)