Mandyoc
Mandyoc: A focused research code for 2D and 3D geodynamics models, run from the command line. Ranked #21 of 89 in Physics Simulation Software by our editors (7.0/10); pricing: Free plan; best for geodynamics researchers running thermo-mechanical models.
At a glance
- Editor score7.0 / 10
- PricingFree plan
- Best forGeodynamics researchers running thermo-mechanical models
- Free planYes
- Paid fromFree
- Delivery modeDesktop
- Facts checked24 Sep 2026

Where it wins
- Models coupled Stokes flow and heat transfer in 2D and 3D
- Uses finite differences and marker-in-cell material representation
- Runs locally or on high-performance computing systems
Where it doesn't
- Linux and self-hosted deployment narrow platform fit
- Command-line execution may not suit GUI-oriented workflows
- Focused on research simulation, not lessons or learner assessment
Our verdict on Mandyoc
Mandyoc is open-source numerical code for thermo-mechanical geodynamics research, aimed at geophysicists, earth-science researchers and computational scientists. It supports two- and three-dimensional models that couple Stokes flow with heat transfer, and offers configurable material and boundary-condition parameters. This is a specialized simulation tool rather than a classroom product: it is a better fit for researchers defining and inspecting numerical models than for instructors seeking lessons or learner assessment.
Its modeling approach combines finite-difference numerical methods with marker-in-cell material representation. That combination supports work on coupled fluid-flow and heat-transfer problems, while the 3D capability extends beyond a strictly two-dimensional workflow. Users can run jobs locally or on high-performance computing systems through command-line execution. Researchers comfortable configuring models and working in a command-line environment may find this workflow appropriate; teams seeking an interactive graphical modeling experience should consider alternatives.
Mandyoc is free and open source, with self-hosted deployment on Linux. Its delivery model suits groups that can manage their own computing environment and want a code they can run across local or HPC infrastructure. Documentation is the stated support channel, so buyers looking for a broader support arrangement may prefer another product. Choose Mandyoc when the work specifically calls for thermo-mechanical geodynamics with coupled flow and heat modeling; avoid it if the priority is cross-platform desktop access, guided educational content or a general-purpose physics simulation environment.
Your product? Our editors can test Mandyoc in depth and publish a review, labelled as paid · from $149/mo →
Mandyoc pricing
Mandyoc fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Delivery mode | Desktop |
| Lesson library | Not verified |
| Authoring tools | Not verified |
| Assessment tools | Not verified |
| 3D visuals | Yes |
| Offline access | Not verified |
| Data export | Not verified |
| Deployment | Self-hosted |
| Platforms | Linux |
| Support | Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | ggciag.github.io |
| Facts checked | 24 Sep 2026 |
Alternatives to Mandyoc
- COMSOL MultiphysicsA broad desktop environment for coupled physics, engineering models, and custom simulation apps.9.4
- Ansys FluentA deep CFD and HPC environment for demanding industrial simulation work.9.3
- SimScaleA broad browser-based multiphysics platform with flexible cloud workflows and tiered access.9.1
See all Mandyoc alternatives →
Used Mandyoc? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Mandyoc for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Mandyoc is listed in our Physics Simulation Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/mandyoc/"><img src="https://www.itechguides.com/best/badge/mandyoc.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update

