Silo is a computer data format and library developed at Lawrence Livermore National Laboratory (LLNL) for storing rectilinear, curvilinear, unstructured, or point meshes in 2D and 3D.
It supports data upon those meshes, including scalar, vector, and tensor variables; volume fraction-based materials; and mass fraction-based species.
Silo sits on top of other low-level storage libraries such as PDB, NetCDF, and HDF5.
The source code for two compression libraries which have been part of previous releases of the Silo library is not available under the terms of the BSD Open Source license.
For this reason, two different releases of the Silo source code are made available.