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COLMAP vs WebODM: catalog facts
COLMAP	WebODM
Best for: Photogrammetry pipeline that turns a set of photographs into camera poses and a dense 3D model	Best for: Turn aerial photographs into maps and 3D reconstructions
Free The software is free under its open-source licence. Hosting, hardware and external services are separate.	Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.
Windows, macOS, Linux	Windows, macOS, Linux, Self-hosted, Web
It covers the whole structure-from-motion and multi-view stereo path in one program, with both a graphical interface… Full strengths for COLMAP It covers the whole structure-from-motion and multi-view stereo path in one program, with both a graphical interface and command-line tools, and it works on ordered and unordered image collections.	Produces point clouds, elevation data and textured models.
Reconstruction is slow and wants a capable GPU, and the quality of the result depends heavily on how… Full limitations for COLMAP Reconstruction is slow and wants a capable GPU, and the quality of the result depends heavily on how carefully the source photographs were shot.	Processing large image sets needs substantial computer resources.
Downloadable app	Self-hosted
Open source	Open source
License: BSD-3-Clause	License: AGPL-3.0
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 COLMAP github.com/colmap/colmap Catalog checked September 22, 2026	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

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