Interactive Data Language (IDL) is both a high-level progamming environment and an interactive data- handling and visualization tool. IDL is available on several platforms including linux, MacOS and Windows. IDL is widely used in the astrophysics community, providing many software packages freely available for use. IDL is a product of Harris Geospatial Soulutions.
ParaView is installed on all linux machines at the institute. It is installed and maintained, but we don't have the knowledge to support the use of ParaView. Talk to fellow researchers using the software.