Declic: www.science.uva.nl/research/mgrd, 131.176.49.1/spaceflight/map/fsl/declic.htm, www.lanceurs.aeromatra.com/connaissance/conferences/iaf2002/cambon.asp, www.cnes.fr and www.space.eads.net
Linux in Space: flightlinux.gsfc.nasa.gov, www.suse.com/us/company/press/press_releases/archive03/dlr.html and www.estec.esa.nl/wawww/ESC/racsi.html
μC/OS-II (including fake-ucos): www.ucos-II.com