The SNAP (Stanford Network Analysis Project) consist of software libraries and network data sets. The software libraries are distributed under the BSD license.
SNAP is distributed under the BSD license. This means that it is free for both academic and commercial use. Note however that some third party components in SNAP require that you reference certain works in scientific publications.
https://snap.stanford.edu/snap/ states this specifically for the source code:
Complete source code for the core SNAP and GLib libraries is available under the BSD license.
Does this license apply to the network data sets, do they fall under a different license (or multiple different licenses), or is their license unspecified?