
Nexus Mods
itch.io
GOG.com
Steam Workshop
Game Jolt
ModLand
CurseForge
Mod DB covers game development and modding on Windows, Mac and Linux with downloads of the best user generated content.

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, Mod DB seems to be more popular. It has been mentioned 41 times since March 2021.
Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.


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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 Mod DB 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.
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Recommendations tracked on public social media and blogs since March 2021.


I have made three new Fantasy Campaigns and they are here on moddb.com:. Source: almost 3 years ago
I always have problems with GFM through GitHub, so I use their moddb.com entry instead. It might not be as current as the GitHub version, but it tends to be more stable and tested. Source: over 3 years ago
I downloaded the zip file from moddb.com and extracted it to the local game files folder. However, the files that were extracted did not replace existing ones and instead, got new names. Source: over 3 years ago
Tracking Diffyn since Jun 2025.
When comparing Mod DB and Diffyn, you can also consider the following products.

The Nexus Sites are a large network of community driven websites that support the free and open...
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DRM-free game store, selling both new and old titles. No clients required.
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Create, discover, and download content for your game Start browsing below to find player-created content for your games. Interested in creating content? Click <a href="https://steamcommunity.com/workshop/workshopsubmitinfo/">here</a> to learn more.
Compare Steam Workshop to Mod DB or Diffyn:

Game Jolt, where all the best free Indie Games are at!
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Here you can find thousands of user created content for games - mods, like custom vehicles, maps, also tutorials, cheats and news about the latest games.
Compare ModLand to Mod DB or Diffyn: