GUI

This is a growing list of Graphical User Interfaces (definition at Wikipedia) designed for operating OpenFOAM.

A separate list of preprocessors and post-processors is available here: Other Software

1 Commercial

1.1 Multidisciplinary CFD

Sorted by name:

Software	Company	Operating Systems	Availability	Notes
Ansa	Beta CAE	Linux, Mac OS X and Windows	Contact them for more information.	-
Caedium	Symscape	Linux, Mac OS X and Windows	Free 30 day trial and for students. Available in monthly to annual subscription.	-
CAESES	FRIENDSHIP-SYSTEMS	Linux and Windows	Free pro version for students and PhD students. Various trial versions available.	Focuses on simulation-ready CAD modeling incl. STL pre-processing capabilities and CFD automation. Suited for users that are interested in design explorations and shape optimization. Typically, the investigated geometries in CAESES are complex free-form surfaces.
CastNet	DHCAE	Linux and Windows	Free 30 day trial. Annual or perpetual subscriptions. Discount for academic use.	Import of CAD models and assemblies (Acis, Parasolid, Creo, Discrete) Hybrid meshing with Hex-core and snappyHexMesh-support Support for ESI-versions, OpenFOAM Foundation and BlueCFD (Windows) More than 30 solvers incl. CHT, multiphase, Lagrangian and reactions Structural analysis with CalculiX and FSI with preCICE Simplified case setup with many templates Graphical monitoring and run-time control
cfFLOW	Creative Fields	Linux and Windows	Contact them for more information.	-
DICE	DICEhub	Linux and Windows	Python + QML	See this post (#36) for more details.
FEATool Multiphysics	Precise Simulation	(MATLAB) Linux, Mac OS X, and Windows	Visit homepage for more information and download.	CFD and Multiphysics Toolbox with fully integrated and easy-to-use OpenFOAM GUI Interface with optional MATLAB programming API.
HELYX	Engys	Linux and Windows	Contact them for more information.	Has an open source variant named HELYX-OS.
iconCFD	ICON	unknown	Contact them for more information.	-
MantiumFlow	MantiumCAE	Linux and Windows (OSX is reported to work as well but is not supported)	Free Demo, quarterly and annual licenses available.	OpenFOAM versions starting from 3.0.1 are supported. On Windows the blueCFD-Core version is preferred. MantiumFlow works with templated cases, making working with it very simple. Currently single phase incompressible fluid simulations are supported. Multi-phase will follow next.
simFlow	Atizar Limited	Linux and Windows	Free for evaluation without any time limit. Fixed annual subscription, with discount for academic use.	In addition to multiple solvers for fluid flow simulation, it includes solvers for: multiphase flows, heat transfer (including conjugate heat transfer), combustion, lagrangian particles and dynamic mesh.
SimWorks	IdealSimulations	Windows	Free and unrestricted. Commercial version also available for enterprise use	Includes pre-processing GUI, meshing / running with live data feedback and convergence plots and includes a fully integrated post-processor in 3D. Free and unrestricted for both mesh size and number of cores in parallel running, commercial version for enterprise use named SimWorks Manager.
Visual-CFD	ESI Group	Linux and Windows	Free evaluation for 30 days. Fixed annual subscription, with discount for academic use	Imports CAD (e.g. CATIA, SolidWorks, UG, IGES, STEP), STL, OBJ and Nastran files Extensive CAD Cleanup capability with wrapping technology and hole closing Does exports 3D meshes from Visual-Mesh Module to run in Visual-CFD Using snappyHexMesh to generate complex meshes, includes multi-domains, improved controls for close proximity parts and interactive mesh diagnostics User defined BCs, Profile, Simulation Controls and Solvers, suited for expert OpenFOAM users, it can handle Customized OpenFOAM/Boundary Conditions Temperature dependent (polynomial) Material properties supported Automatic selection of Simulation Control Parameters based on quality of mesh and modeling physics, inbuilt intelligence to converge cases of Aerodynamics, Multiphase Flows, CHT, HVAC, Mesh Motions, Overset and many more.. Parametric studies - Macro recording, based on Python scripting and personalized templates Simulation best practices for industrial applications to help Engineers decisions, highly effective yet simple and easy-to-use tool Easy mesh import from most popular commercial CFD tools It supports OpenFOAM+ 1812, OpenFOAM+ 1912, OpenFOAM-v1906, also supports much awaited Windows version of the OpenFOAM-v1912 The Overset Mesh support available now It supports Discrete Phase Modeling, Scalar Transport modeling and Radiation The VTK export supported in Visual-Viewer module Access to wide range of monitoring and post-processing tools Extreme flexibility to create customized automated process for any application The current release has Adjoint Optimization and Solar Load model
ennovaCFD for OpenFOAM	IDAJ / Ennova Technologies	Windows and Linux	Contact them for more information.	Developed as a pre- and post-processing tools for general-purpose CFD softwares Case setup GUI for iconCFD and OpenFOAM(ESI-OpenCFD versions) solvers including incompressible, compressible, heat transfer, CHT and multiphase Geometry import and modification Powerful mesher such as surface wrapper and tetra/polyhedral mesher Visualization of analysis results Graphical monitoring Macro recording based on JavaScript Check us on YouTube

1.2 Specific fields of applied CFD

Sorted by field:

Software	Company	Field	Operating Systems	Availability	Notes
BIM HVACTool	TIAN Building Engineering	Building Simulation Software	Windows	Contact them for more information.	-
blueCFD-AIR	blueCAPE	Building Simulation Software	Windows	Available for free. Paid support is available.	Development roadmap can be oriented by the needs of their clients. Linux and Mac OS X versions are possible.
ODS Studio	ODS Engineering	Building Simulation Software	Linux, Mac OS X and Windows	Contact them for more information.	-
Elements	Engys	Vehicle Design Applications	Linux and Windows	Contact them for more information.	-

2 Open Source

Sorted by Name:

Software	Company/Author	Project page	Operating Systems	Coding Language	Notes
BARAM	NEXTfoam	BARAM GitHub Pages BARAM GitHub Project Screenshots	Linux, Windows, and macOS	Python	“BARAM”(pronounced like ‘baa-laam’) is a Korean word that means “wind” This package includes two applications, one for solver, the other for snappyHexMesh It is entirely rewritten from legacy BARAM and in active development Following installation packages are provided for convenience. Windows Installer(.exe) for Windows OS Disk Image(.dmg) for macOS with Apple silicon such as M1, M2, M3, ...
BARAM-Legacy	NEXTfoam	product page	Linux (Ubuntu/Debian)	Python	The documentation provided with the downloaded package is in Korean. Seems to be in active development.
Blender	Several	Blender	Linux and Windows (Might work on Mac OS X)	Python	Several Blender add-ons available for various specific preprocessing/postprocessing tasks.
CfdOF	Several developers	Computational fluid dynamics (CFD) workbench for FreeCAD @ Github	Linux and Windows (Might work on Mac OS X)	Python	It's an add-on for FreeCAD. In active development.
Discretizer	Björn Bergqvist	Discretizer at SF.net	Linux and Windows (Might work on Mac OS X)	Ruby	Not in active development.
enGrid	enGits	enGrid at Github	Linux and Windows (Also works on Mac OS X)	C++	Development in function of contributions.
HELYX-OS	Engys	HELYX-OS on GitHub	Linux	Java	Last release on Nov 23, 2016
InsightCAE	silentdynamics	InsightCAE wiki on GitHub	Linux	C++	Part GUI, part code toolkit, designed for Workflow Automation.

3 Text based

• pyFoam