You should also consider support. I've been using TinyOS for research purposes
for a while and I can tell you that it seems like a dying product. Or at least
one, that not too many people care about. It takes days if not longer to get a
response on this forum.
I do not know how Contiki is doing in this respect, but if this continues, the
my current project is going to be the last on TinyOS.
Rahav Dor
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