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WebODM vs 3DF Zephyr: catalog facts
WebODM	3DF Zephyr
Best for: Turn aerial photographs into maps and 3D reconstructions	Best for: Turning photo or drone surveys into 3D models and terrain data
Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.	Free + paid options A limited free edition is offered; full versions are paid, with a free trial.
Windows, macOS, Linux, Self-hosted, Web	Windows
Produces point clouds, elevation data and textured models.	Combines photogrammetry and laser scans in one application Outputs orthophotos, DTM and DSM as well as meshes All 4 strengths for 3DF Zephyr Combines photogrammetry and laser scans in one application Outputs orthophotos, DTM and DSM as well as meshes Multi-GPU accelerated reconstruction Free edition available
Processing large image sets needs substantial computer resources.	Full feature set requires a paid licence Windows only
Self-hosted	Downloadable app
Open source	Not open source
License: AGPL-3.0	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for WebODM github.com/WebODM/WebODM github.com/WebODM/WebODM/blob/master/LICENSE.md Catalog checked September 22, 2026	Official website Full listing and sources Sources for 3DF Zephyr 3dflow.net/3df-zephyr-photogrammetry-software Catalog checked October 1, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.