Trios (Trilinos I/O Support)
The Trilinos I/O Support software will provide general I/O support for applications using Trilinos libraries. In particular, this software will include parallel I/O support to read and write selected Trilinos data structures to commonly-used file formats such as netCDF, hdf5, and Exodus.
From the Trilinos repository, trios is contined in branch "trilinos-release-12-6" of https://github.com/trilinos/Trilinos