ODAS stands for Open embeddeD Audition System. This is a library dedicated to perform sound source localization, tracking, separation and post-filtering. ODAS is coded entirely in C, for more portability, and is optimized to run easily on low-cost embedded hardware. ODAS is free and open source.
Have a look at the wiki for more info.
Graphical User Interface (GUI) for Data Visualization
Please have a look at the odas_web project.