http://libcxx.llvm.org/
http://www.ijg.org/
http://sourceforge.net/projects/libjpeg-turbo/
http://libpng.org/
http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/MT2002/emt19937ar.html
https://code.google.com/p/sfntly/
http://www.netlib.org/fdlibm/

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https://github.com/arrayfire/arrayfire
https://github.com/google/flatbuffers
https://github.com/google/protobuf

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http://en.wikipedia.org/wiki/Category:C%2B%2B_libraries
http://en.wikipedia.org/wiki/List_of_C%2B%2B_template_libraries

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http://www.csie.ntu.edu.tw/~cjlin/liblinear/
http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/