Vortexje is an open-source implementation of the source-doublet panel method. Its features include:

• Modern C++ API, easily integrated with other simulation environments;
• Supports Gmsh and PLY mesh formats;
• Output in Gmsh or in VTK format for analysis with Paraview;
• Optional wake convection;
• Wake-body and wake-wake interaction;
• Transparent integration with boundary layer models.

For a coupling with the MBDyn multi-body dynamics software, see vortexje-mbdyn.