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ILWIS — GIS (Open Source)

ILWIS is an open-source GIS solution from ITC. Compare it against 80 other GIS tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is ILWIS?

ILWIS is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under GIS and published by ITC. Buyers typically evaluate ILWIS when they need a dependable GIS option and want to weigh the trade-offs between free, open-source and paid tools before committing.

ILWIS alternatives

If ILWIS isn't the right fit, compare these GIS alternatives side by side:

ARC/INFOArcGISArcGIS OnlineArcGIS ServerArcIMSArcMapArcSDEAutoCAD Map 3DAutodesk MapGuideAutodesk TopobaseBentley MapCadcorp SISCapawareCartoDB (CARTO)

Frequently asked questions

Is ILWIS free?
Yes. ILWIS is open source and free to use, with no purchase cost for the core product.
What are the best ILWIS alternatives?
Popular GIS alternatives to ILWIS include ARC/INFO, ArcGIS, ArcGIS Online, ArcGIS Server. See the full list of GIS on FreeSoftwareX.
What type of software is ILWIS?
ILWIS is an open-source GIS tool developed by ITC.

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