
AI PRD generator: Vibemaster interviews you and writes the build prompt, architecture flowchart, business plan and roadmap for Lovable, Cursor or Claude Code. Free for 2 projects.

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Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

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Based on our record, GitHub seems to be more popular. It has been mentioned 2535 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | vibemaster.ai | github.com |
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| Company | — | Startup from the United States · 500 - 999 employees · 2008 |
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Vibemaster - from idea to spec.
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As answered by people managing Vibemaster and GitHub.
Vibemaster's answer
Our first paying customers came through our beta. We have around 100 free users, and a handful have upgraded to paid plans. At this stage, we’re sharing our traction in aggregate.
Vibemaster's answer
With Vibemaster, you can start with a one-sentence idea and end with a build plan you understand and can use. A guided interview helps you decide what the app should do, how users move through it, and what data it needs. You can also map out the architecture, implementation roadmap, and business model from that same idea. And you can stay completely in Europe with solutions that are GDPR ready from the start.
What makes that combination valuable is that the plan works for two audiences. Your team gets a spec they can read, challenge, and agree on. Your AI coding tool gets a build prompt with architecture, setup instructions, and build order. You can take that same plan into Lovable, Cursor, Bolt, or Claude Code, so the decisions about your product travel with you when you switch tools.
Vibemaster's answer
Choose Vibemaster if you have an app idea and want help making the product decisions before you start building. You can begin with one sentence. Vibemaster asks targeted questions and suggests answers when you get stuck, so you can work through user flows, features, and data even if you’ve never written a product spec.
You get a spec you can understand and share, plus a build prompt you can take straight into Lovable, Cursor, Bolt, or Claude Code. That makes it easier to spot missing decisions while they’re still a sentence to change and keep your plan if you switch coding tools.
Vibemaster's answer
Vibemaster started with a pattern my co-founder Johan and I kept running into. We’d describe an app idea to an AI coding tool and get a working prototype in hours. Then we’d spend hours rebuilding it because we’d left basic questions open. Who should be able to edit the data? What should happen when a user takes a different path? The AI had made those decisions for us, and we only noticed once we tried using the app.
We wanted to keep the speed of vibe coding and make those decisions earlier. So we built Vibemaster to guide people from a rough idea to a spec they can review and a build prompt they can take into Lovable, Cursor, or Claude Code.
We started with a problem we had as founders. The same problem shows up in companies, where the person building an internal tool may be different from the people who will use, approve, and maintain it. A shared spec gives them something concrete to agree on before the build starts.
Vibemaster's answer
Vibemaster is for solo founders, indie makers, and companies that want to build with AI coding tools like Lovable, Cursor, or Claude Code.
For founders and makers, it turns an app idea into clear requirements and a build plan, even if they’ve never written a product spec. For companies, it helps employees use vibe coding to build internal tools while giving business and IT teams a shared spec they can review and agree on before coding starts.
Vibemaster's answer
Vibemaster uses Google Gemini as its default AI model and offers Mistral as an alternative. These models power the guided interview and generate product specifications and build prompts. The application and its database run on Scalingo in Paris. We use Supabase for authentication, Stripe for payments, and Sentry for error monitoring.
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GitHub is an essential platform for modern software development. It makes it easy to host, manage, and collaborate on code while providing powerful tools for version control, project management, and team...
GitHub Discussions is a communication forum for the community around an open source or internal project. Discussions enable fluid, open conversation in a public forum. Discussions are transparent and accessible, but...
However, like any (human) product, the platform has its limits, downsides, and critics. GitHub has been barred by certain governments, and even if that isn’t exactly the company’s fault, the users are the ones limited...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Vibemaster since Nov 2026.
I visit https://status.github.com it is the second suggestion, after https://github.com/ itself. - Source: Hacker News / about 9 hours ago
GitHub shipped a redesigned Overview page on November 5, as an opt-in public preview, and it moves the answer to the top. The merge box is now a compact readiness summary pinned near the top of the PR, showing merge status, checks,... - Source: dev.to / about 14 hours ago
Source repositories on GitHub often include runnable examples in /examples or test fixtures. Reading the tests shows how the maintainers expect the API to be used. - Source: dev.to / about 22 hours ago