GNU General Public License v3
Yes
NITRC
SLEP: Sparse Learning with Efficient Projections
SLEP contains a collection of algorithms for solving sparse learning problems, including LASSO, group LASSO, sparse group LASSO, hierarchical tree structure, and trace norm regularization.
SLEP: Sparse Learning with Efficient Projections
GNU General Public License v3, Imaging Genomics
http://www.nitrc.org/projects/slep/, http://www.nitrc.org/projects/slep/