Mention Cython and remove obsolete alternatives
diff --git a/Doc/faq/extending.rst b/Doc/faq/extending.rst
index 678f1bd..fa8e6e7 100644
--- a/Doc/faq/extending.rst
+++ b/Doc/faq/extending.rst
@@ -45,10 +45,11 @@
very little effort, as long as you're running on a machine with an
x86-compatible processor.
-`Pyrex <http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/>`_ is a compiler
-that accepts a slightly modified form of Python and generates the corresponding
-C code. Pyrex makes it possible to write an extension without having to learn
-Python's C API.
+`Cython <http://cython.org>`_ and its relative `Pyrex
+<http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/>`_ are compilers
+that accept a slightly modified form of Python and generate the corresponding
+C code. Cython and Pyrex make it possible to write an extension without having
+to learn Python's C API.
If you need to interface to some C or C++ library for which no Python extension
currently exists, you can try wrapping the library's data types and functions