Dev tools · alternatives · 2026
24 alternatives to CAD Viewer
Preview CAD attachments directly in Gmail. 100% local.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
View 3D files inside your gmail tab
2021 · jiga3d.com · its alternatives →
- 2
I use a ton of 3D Files as I love 3D printing in my spare time and I usually exchange them over Gmail and store them in Google Drive etc.. Google does not have a 3D Preview of files so I've built a small Google Workspace Addon that opens the file into a clean "Google like" web app that supports most files. Other solutions existed but they were full of ads and looking absolutely terrible. It got a bit of traction (around 400 users) on the store so thought I would share it here! Would love to have feedback! Each file is treated purely in the browser for maximum privacy
Jan 2026 · 3dviewer.co · its alternatives →
- 3OS
Hi HN! We’re Aleem, Chris, Borys, Meichen and Zach from Streak (YC S11) and today we’re open sourcing our InboxSDK https://www.inboxsdk.com, which makes it easy to build apps for Gmail. Over 1.8B users spend their days in Gmail! Having your app built into the Gmail workflow is a better user experience and gives you great user retention. InboxSDK gives you a high-level, declarative API to insert your UI into Gmail without having to directly manipulate the DOM yourself. End users install a browser extension to use your app. The SDK can add UI to multiple areas of Gmail. For example,…
2022 · its alternatives →
- 4
Preview Office, PDF, CAD and more in the browser
Jul 2026 · file-viewer.app · its alternatives →
- 5
Link Previews▲135Google Docs™ add-on to turn links/URLs into smart chips
2023 · workspace.google.com · its alternatives →
- 6
Generates preview thumbnails for 3D model files. Provide a Windows Explorer extensions that adds preview thumbnails for 3D model files. - EYHN/space-thumbnails
2022 · github.com · its alternatives →
- 7
Link Preview API▲198Free API to get Open Graph data, title & images for any URL
Jul 2026 · exabase.io · its alternatives →
- 8
Preview how your website would look on social media
2023 · pika.style · its alternatives →
- 9
GeoPreview▲70Preview GIS files directly in Finder (GeoJSON, SHP, GPKG)
Apr 2026 · apps.apple.com · its alternatives →
- 10
Google Docs for DWG files — view, measure, comment, share
Jan 2026 · cadviewer.co · its alternatives →
- 11
- 12
Free viewer for STL, GLB, STEP — replaces Windows 3D Viewer
Aug 2026 · open3d.app · its alternatives →
- 13
Unofficial Gmail native app. Contribute to paulot/gmail development by creating an account on GitHub.
2015 · github.com · its alternatives →
- 14
Turn CAD models into interactive online 3D presentations.
Mar 2026 · renderpen.com · its alternatives →
- 15OS
- 16
Download og preview images from any url
2025 · ogimage.download · its alternatives →
- 17
MyToolsHub▲15Free PDF, Image, SEO & Developer Tools in One Place
Jul 2026 · mytoolshub.store · its alternatives →
- 18
A simple mapping tool right in your browser
2025 · chromewebstore.google.com · its alternatives →
- 19
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- 21
Instantly search PDF drawings and move between them like a map. See where your parts are used and compare revisions easily by linking them to your BOMs.
2020 · drawnav.com · its alternatives →
- 22
PDF & file tools - files never leave your browser
May 2026 · fixitlocaly.com · its alternatives →
- 23
Let Claude read .msg/.eml/.p7m and convert them to PDF
May 2026 · github.com · its alternatives →
- 24
Automate Email Attachments To Spreadsheet
Jun 2026 · workspace.google.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →