THE collection of tools and publications of everything related to AD:

www.autodiff.org

THE book containing almost everything one might ever want to know about AD:

Andreas Griewank: "Evaluating Derivatives: Principles and Techniques of Automatic Differentiation"
(bibtex)


ACTS project related:

• ACTS home page
• Earth, Atmospheric and Planetary Sciences at MIT
  

OpenAD related:

• XAIF home page
• Open64 (the Fortran90 front-end)
• EDG / Sage3 (the C/C++ front-end)
  
• OpenAnalysis (the analysis engine)
• angel (automatic differentiation nested graph elimination library)

tools:

• xerces (the XML parser used to parse XAIF)
• boost (xaifBooster uses the boost graph library)
• graphviz(dot) (tool to visualize graphs in xaifBooster for debugging, also used by doxygen)
• doxygen (generates documentation for the source code)
• bitkeeper (version control)
• CVS (version control)