Download Our Free Demonstration Software
When a valid license is not present, users have the option to continue using Itasca software in “Demonstration Mode”. This mode includes all options and does not expire. The size of model that you can solve/cycle is however limited and other restrictions may apply as indicated in the table below.
Please click any link to download one or more of our latest software products.






Now freeware. Fully functional, perpetual license. Free technical support is no longer provided but paid technical support is available.




Griddle is a mesh generation plug-in for Rhinoceros 3D CAD. This is the release version and is feature complete, including documentation and tutorial examples. Griddle 2 requires either Rhino 6 or 7.
Rhinoceros
A full version of Rhino trial software is available to download from Robert McNeel & Associates. Saving and plug-ins will stop working after 90 days without purchase.
Griddle
In demonstration mode, the following limitations are in effect:
BlockRanger |
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GInt |
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GSurf |
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GVol |
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GHeal |
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GExtract |
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This demo version can open any size model for viewing. It can only run and save models with less than 10,000 elements.


Windows: Download PFC
Linux: Download PFC
The PFC demo includes both PFC2D and PFC3D programs. The demo permits the cycling of a maximum of 1,000 balls or 1,000 clumps (not exceeding a total of 1,000 balls), up to 1,000 rigid blocks, and up to 10 discrete fractures.


Maximum of 200 rigid blocks or 150 deformable blocks or 560 kB of memory.


This software is a fully functional Windows-license demo that does not expire. You can create any model consisting of 100,000 nodes or less. A demonstration mode water mark will also appear across the plot window.