
Deno
Full-stack Javascript Components for one-dev armies

CollX
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Ludex
Collectr
Card Ladder
AI-powered sports card scanner that identifies cards and prices them from real eBay sold data.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | nullstack.app | ripix.cards |
| Pricing | ||
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Nullstack yet.
Ripix turns your phone into a sports card scanner. Point the camera at any football, basketball, baseball, hockey, or soccer card and Ripix identifies the player, set, year, card number, and parallel — then values it using verified eBay sold listings, not asking prices. Built for serious sports...
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Full-stack with Nullstack - Part 3
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How often each product is chosen within a category, 0–100% relative to the other.


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CollX (“collects”) answers the age-old question: “What’s it worth?” The app can scan any baseball, football, or basketball card and instantly ID it and get the avg market value.
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