C++ Libraries

1. Dlib

   Dlib is a general purpose cross-platform C++ library designed using contract programming and modern C++ techniques. It is open source software and licensed under the Boost Software License.

2. Origin

   Origin is a collection of experimental libraries written using the C++11 programming language. The purpose of this project is to foster experimentation with library design and programming techniques using the new version of the language.
   The Origin libraries is designed around a minimal set of core facilities that wrap and extend the C++ standard library. These facilities include an extensive type traits framework, support for concept-like type checking, new iterator adaptors, ranges, and support for specification testing.
   

3. Folly

   Folly is an open-source C++ library developed and used at Facebook.

4. Adobe Source Libraries

   The Adobe Source Libraries (ASL) are a collection of C++ libraries building foundation technology to allow the construction of commercial applications by assembling generic algorithms through declarative descriptions.

5. Cinder

   Cinder is a community-developed, free and open source library for professional-quality creative coding in C++.

6. JUCE

   JUCE is a wide-ranging C++ class library for building rich cross-platform applications and plugins for all the major operating systems.

7. OpenFrameworks

   OpenFrameworks is an open source C++ toolkit for creative coding.