
Vectreal Platform
Revievv
Sketchfab
glbee
Online 3D Viewer
Open3D Viewer
3D Viewer Online
Free browser-based 3D model viewer for 3D printing enthusiasts and designers. Open STL, OBJ, GLB, GLTF, 3MF and FBX files instantly in your browser. Get a shareable link, view in AR on mobile, export a GIF, or embed it on Shopify or any website.

ReqView
Valispace
Innoslate
Userdoc
Coarchy
FeatureMap
eXo Platform
Structured Context Layer for AI-Assisted Software Engineering

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | geometryviewer.com | reqode.com |
| Pricing | ||
| Company | Startup from Hungary · 1 - 9 employees · 2026 | Startup from Cyprus · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


GeometryViewer is a free browser-based 3D model viewer and file sharing platform. No software installation required - everything runs directly in your browser using WebGL and Three.js technology. Supported 3D file formats: STL, OBJ, GLB, GLTF, 3MF, and FBX. Upload any 3D model and instantly get a...
Reqode is a structured context layer for AI-assisted software engineering. It keeps product specifications, architecture, and code aligned so AI tools and engineering teams work from the same source of truth. By preventing context drift between requirements and implementation, Reqode enables...
What each product offers, as listed by its team.


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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing GeometryViewer and Reqode.
GeometryViewer's answer
Most 3D viewers make you install software, create an account, or pay for a subscription before you can even open a file. GeometryViewer does none of that. You drag a file in, you get a shareable link, and anyone with that link can view it in their browser, see it in AR on their phone, or export it as a GIF.
GeometryViewer's answer
Because it is genuinely free with no catch. No account, no watermark on the free tier, no file size limit hidden behind a paywall, no install. Sketchfab requires an account and puts branding on free embeds. Most desktop viewers only work on Windows. Browser-based alternatives tend to support only one or two formats. GeometryViewer handles STL, OBJ, GLB, GLTF, 3MF, and FBX in one place, with AR preview on mobile and GIF export built in. It also works offline after the first visit.
GeometryViewer's answer
GeometryViewer's answer
Because it is genuinely free with no catch. No account, no obtrusive watermark on the free tier, no file size limit hidden behind a paywall, no install. Sketchfab requires an account and puts branding on free embeds. Most desktop viewers only work on Windows. Browser-based alternatives tend to support only one or two formats. GeometryViewer handles STL, OBJ, GLB, GLTF, 3MF, and FBX in one place, with AR preview on mobile and GIF export built in. It also works offline after the first visit.
GeometryViewer's answer
Three.js for WebGL rendering, WebXR for augmented reality on mobile, and a custom Web Component that makes the viewer embeddable on any page with a single HTML tag. The PWA is built on standard Service Worker APIs for offline support. The backend is minimal - file storage and short URL generation. No server-side rendering of 3D content; everything runs in the browser.
GeometryViewer's answer
It all started because sharing a 3D model with someone who has no 3D software is surprisingly painful. Sending a file means the other person needs software. Sketchfab requires an account. Microsoft 3D Viewer only works on Windows and is being discontinued in July 2026. GeometryViewer exists to solve that exact problem - open any common 3D format in a browser, get a link, share it. AR preview and GIF export came later as features users actually asked for.
Share your experience with using GeometryViewer and Reqode. For example, how are they different and which one is better?
When comparing GeometryViewer and Reqode, you can also consider the following products.

Vectreal is an open-source platform for 3D web visualization and publishing — scalable from art projects to enterprise workflows. Load, optimize, and publish interactive 3D models directly in the browser. No bloated pipelines, no vendor lock-in.
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Simple and powerful requirements management tool enabling easy requirements gathering, traceability tracking and offline collaboration.
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Review 3D CAD models, PDFs and images in your browser. Share a link, collect pinpointed feedback. No CAD license needed. Free to start.
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Valispace is a modern browser based tool for complex hardware development that connects data for engineers, efficiently manages requirements and much more.
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Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.
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Innoslate is a complete product lifecycle management tool integrated with systems engineering, program management, and product design capabilities.
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