Python + twisted = Raindrop (in part)

[Terry Reedy]

Rrom:
First look: inside Mozilla's Raindrop messaging platform

http://arstechnica.com/open-source/news/2009/10/first-look-inside-mozillas-raindrop-messaging-platform.ars

"The backend components that are responsible for retrieving and 
processing messages are coded in Python on top of the Twisted networking 
framework."

Ok, front end is html/Javascript, DB is erlang-based....

tjr