OpenCV: open source computer vision library

Homepage:    http://opencv.org
Online docs: http://docs.opencv.org
Q&A forum:   http://answers.opencv.org
Dev zone:    http://code.opencv.org
Description
Languages
C++ 87.7%
C 3.1%
Python 2.9%
CMake 2%
Java 1.5%
Other 2.6%