Electroacoustic recorders
Amplified recorders
http://www.flute-a-bec.com/electrgb.html
E-recorder
E-recorder
http://www.cevill.com/newfiles/e-recorder.html
Kreepa
Kreepa, electronic and improvised music
http://www.kreepa.com/
Kunath
Besondere musikinstrumente für schulen. blockflöten und kinderklarinetten der waldorf-edition
http://www.kunath.com/
Orkon en chromette
A site about edward v. powell's recorder-like orkon instrument
http://www.tjimaging.com/orkon/
Strathmann
Strathmann musical instruments, innovation for the recorder: the strathmann-alto flute
http://strathmann-musicinstruments.de/gbindex.htm