exportscript w keyframeanimations

Good Afternoon

I have a question for you veterans.
I wonder if there are some exporterscripts that can handle keyframes well and that does not export to an advanced format. I would like to have that as a reference to create an exporter for another 3d format used in a game. Also, I like it to be compatible with the later version of blender (2.27 or something above).

Do you think you know of something I can use?

/Petter

I wrote a similar post in the forum at blender.org, but I think this might be a better place to ask it.

http://www-users.cs.umn.edu/~mein/blender/converters.html

http://www.q-bus.de/Blender/

http://www.janw.gothere.uk.com/

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http://oomadness.tuxfamily.org/en/blender2cal3d

https://blenderartists.org/forum/viewtopic.php?t=16409&start=15

http://members.xoom.virgilio.it/glabro1/DirectX230.zip

thank you fellows