Trianglify
Background
Hero Patterns
Wicked Backgrounds
Get waves
Adaptive Backgrounds
BGJolt
Create fast, one-of-a-kind hero images for blogs & websites

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Which is more popular?
Based on our record, Cool Backgrounds seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Cool Backgrounds
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| Website | coolbackgrounds.io | diffyn.com |
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What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

No analysis of Cool Backgrounds yet.
Overall verdict
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Recommended for
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Cool Backgrounds and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using Cool Backgrounds and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Cool Backgrounds Coolbackgrounds.io Generate gradient/patterned backgrounds for mockups. - Source: dev.to / over 1 year ago
Cool Backgrounds - Generate striking background pattern pngs BgGenerator - Generate cool background pattern pngs and jpgs Smoky Background Generator GeoPattern - Cool geometric patterns based on what you type Delaunay Triangle... - Source: dev.to / almost 4 years ago
You can get this for free, along with a bunch of other cool designs on https://coolbackgrounds.io/. - Source: Hacker News / about 4 years ago
Tracking Diffyn since Jun 2025.
When comparing Cool Backgrounds and Diffyn, you can also consider the following products.
Tweakable, one-of-a-kind hero images for your next project
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Background is a well-designed and feature-rich application that allows you to find, save, and download high-quality curated images for your commercial projects.
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A collection of repeatable SVG background patterns
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Create beautiful background waves
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A simple web app to generate svg waves, unique every time
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Extract dominant colours from images
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