Bob is a signal-processing and machine learning toolbox originally developed by the Biometrics Group at Idiap, in Switzerland. Bob is primarily developed through GitHub.
Europe Media Monitor is a large-scale multilingual online news aggregation system developed by the Joint Research Centre of the European Commission. It can be used to track securirty-related events and trends worldwide.
Gephi is an open-source and free interactive visualization and exploration platform for all kinds of networks and complex systems, dynamic and hierarchical graphs. It can be deployed for exploratory data analysis.