Public-domain license software developped in the LISA:
PLearn is a comprehensive machine learning C++ library.
Theano is an optimizing compiler in Python, built to evaluate complicated symbolic expressions (especially matrix-valued ones) as quickly as possible. It is meant to try to achieve the efficiency of handwritten C++ with a high-level symbolic language for functional (generally numerical) expressions.
Pylearn is a (not yet mature) python-based project to build an efficient machine learning toolbox and API on top of Theano, for fast development of learning algorithms.