Sverchok is a visual node-based parametric geometry addon for Blender, with over 600 nodes for building and manipulating meshes and curves.
#geometry
Best open-source geometry libraries and 3D reconstruction tools (2026)
These projects handle geometry and 3D data: reconstructing scenes from photos, differentiable vision operators, map geometry helpers, parametric modeling and rendering. Pick by runtime first, since the choice depends on whether you work in PyTorch, Blender, Android or a WebGPU browser. COLMAP offers a GUI and command line for structure-from-motion reconstruction from images. Kornia is a PyTorch library that fits geometry operators into training code. Sverchok is a node-based parametric modeling addon for Blender, licensed under GPL-3.0, which matters if you plan to distribute derived work.
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A general-purpose Structure-from-Motion and Multi-View Stereo pipeline with GUI and command-line interfaces for 3D reconstruction from images.
A differentiable computer vision library built on PyTorch, offering GPU-friendly image processing, geometry, augmentation and feature-matching operators.
A WebGPU path tracing renderer for three.js that uses three-mesh-bvh to produce physically based images in the browser.
A Kotlin utility library for the Google Maps SDK for Android, covering marker clustering, heatmaps, KML/GeoJSON import and geometry helpers.