It is possible to test the software here (GNU AGPL license).
Publication to be cited
ZUKAL, M.; QUI, X. Algorithms for Interest Points Detection. In The 6th International Conference on Teleinformatics, Dolní Morava, Czech Republic, 2011. s. 1-5. ISBN: 978-80-214-4231-3.
This software library contains an extensive set of feature extraction operators. The source codes have been written in Java programming language which allows the library to be used on different platforms.