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COLMAP vs Meshroom: catalog facts
COLMAP	Meshroom
Best for: Photogrammetry pipeline that turns a set of photographs into camera poses and a dense 3D model	Best for: Arrange image and 3D processing tasks as connected nodes
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, Linux
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.	Caches intermediate results so changes rerun only affected steps.
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 capabilities depend on the installed plugins and their requirements.
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: MPL-2.0
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 Meshroom github.com/alicevision/Meshroom Catalog checked September 22, 2026

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