I might release more Opensource Code over time.
https://github.com/mike44

Linux Hardware
http://www.phoronix.com

Ubuntu is my favourite OS within my triple boot.
http://distrowatch.com/

Switzerland sceneries Suisse 04 by Daniel Gauthier and others.
http://fgfs.sgier.com/

Flightgear
http://wiki.flightgear.org/index.php/Scripted_Compilation_on_Linux_Debian/Ubuntu

Remember playing Burger Time, Donkey Kong, Pacman, Arkanoid etc. on the 80' arcade machines? Then you will love Mame.
http://www.mameroms.com/

Acro Paragliding
http://www.srf.ch/sendungen/sommerchallenge/2012/judith-zweifel-gleitschirmpilotin

Learn to play piano
http://www.musica.at/musiklehre/notenspiel/notenspiel.html

Around 2001 this film was shown in TV. It made me book a tandemflight in my local school.
http://www.youtube.com/watch?v=HcjXVgqR92c

Windsurfing Silvaplana
http://www.surfclub-silvaplana.ch/livecam/cam1.htm

Fly!Legacy
http://fly.simvol.org

Patent trolls
http://www.cbsnews.com/8301-505263_162-57560405/patent-trolls-how-some-say-theyre-hurting-u.s-economy

Flight lessons
http://www.navfltsm.addr.com

RC
This beautiful Pitts got me interested again, after a 25 years break. 3d hover/Torque Rolls, foremost electric didn't exist back then.