PyTables is a package for managing hierarchical datasets and designed to efficiently and easily cope with extremely large amounts of data.
PyTables is built on top of the HDF5 library, using the Python language and the NumPy package.
Gephi is an open-source software for visualizing and analyzing large networks graphs. Gephi uses a 3D render engine to display graphs in real-time and speed up the exploration. Use Gephi to explore, analyse, spatialise, filter, cluterize, manipulate and export all types of graphs.
M. Banko, and E. Brill. ACL '01: Proceedings of the 39th Annual Meeting on Association for Computational Linguistics
, page 26--33. Morristown, NJ, USA, Association for Computational Linguistics, (2001)