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Marketplace for verified AI Development Systems — battle-tested rules for Cursor, Windsurf, Claude Code, and GitHub Copilot.

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Make Git diffs look good

Which is more popular?
Based on our record, Diff So Fancy seems to be more popular. It has been mentioned 19 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | vyze.dev | github.com |
| Pricing | — | |
| Company | Startup from the Czech Republic | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Vyze is a developer marketplace and CLI deployment engine (npx vyze) for verified AI Development Systems. It provides framework-tested .cursorrules, CLAUDE.md files, .windsurfrules, AGENTS.md instructions, and full-stack developer bundles. Vyze eliminates AI context hallucinations by locking LLM...
No description of Diff So Fancy yet.
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Vyze.dev and Diff So Fancy.
Vyze.dev's answer
Next.js 16, TypeScript, React 19, Supabase, Node.js CLI, Tailwind CSS, Clerk, and Stripe Connect.
Vyze.dev's answer
Vyze is the first terminal CLI package manager (npx vyze) and marketplace for verified AI Development Systems. Instead of copy-pasting unverified text snippets from web forms, developers deploy framework-tested .cursorrules, CLAUDE.md files, and agent workflows in one terminal command. It also includes an automated AST security scanner engine that detects prompt injection vulnerabilities before deployment.
Vyze.dev's answer
Vyze treats AI context as engineering code rather than static prompt text. Unlike static web directories or unverified GitHub gists, Vyze automatically compiles and exports rules into native formats for Cursor, Claude Code, and Windsurf simultaneously. It scans every pack for prompt injection security risks and gives creators a 90% revenue split to ensure long-term maintenance of rules.
Vyze.dev's answer
Software engineers, AI prompt engineers, software architects, and tech leads who build applications using AI coding assistants like Cursor, Claude Code, Windsurf, and GitHub Copilot.
Vyze.dev's answer
We spent dozens of hours tuning custom .cursorrules and CLAUDE.md files for Next.js 15, FastAPI, and Supabase, only to watch AI models hallucinate outdated code whenever frameworks updated. Realizing there was no standardized package manager or verified marketplace for AI editor rules, we built Vyze to provide deterministic, security-scanned context rules for developer teams.
Share your experience with using Vyze.dev and Diff So Fancy. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Vyze.dev since Jul 2026.
[1] https://github.com/so-fancy/diff-so-fancy. - Source: Hacker News / 7 months ago
That's a great solution and I'm adding it to my fallback. But also, people might be interested in diff-so-fancy[0]. I also like using batcat as a pager. [0] https://github.com/so-fancy/diff-so-fancy. - Source: Hacker News / 12 months ago
https://github.com/so-fancy/diff-so-fancy- Source: Hacker News / over 1 year ago[alias].
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