Truchas includes the following third-party software and libraries, which are used and distributed in accordance with their individual licenses.
| Software | License | Author/Source |
|---|---|---|
| Chaco 2.2 | LGPL 2.1 | Sandia National Laboratories |
| Chaparral 3.2 | LGPL 2.1 | Sandia National Laboratories |
| Petaca | MIT | https://github.com/nncarlson/petaca |
| UbikSolve 2.2 | Artistic 2.0 | John Turner |
| HDF5 1.8.11 | BSD-style | http://www.hdfgroup.org/HDF5 |
| NetCDF 4.1.3 | BSD-style | http://www.unidata.ucar.edu/software/netcdf |
| ExodusII 5.14 | BSD | https://sourceforge.net/projects/exodusii |
| YAJL 2.0.4 | MIT-style | https://github.com/lloyd/yajl |
| Hypre 2.6.0b | LGPL 2.1 | http://computation.llnl.gov/casc/hypre/software.html |
| Zlib 1.2.8 | BSD-like | http://zlib.net |