Time sequence processing
DataPad / JP Morgan
JIT compiler / type inference
Continuum / DARPA
Scikit Learn
Pandas
Numba / Parakeet
NEO
100% Python
Blaze
Full out-of-core arrays
Continuum / DARPA
Reatime log collection
Treasure Data / Amazon
Fluentd
NLTK
Natural Language Tookit
U. Texas / Chalmers
OpenCV-Python
Video Processing
Intel Russia / Willow / Itseez