The Chrome Extensions category added 1513 alternatives to Marvin over the past five years. We track all of them. The products below are the ones the community responded to most strongly.
Interest scores measure initial buzz. Engagement ratios measure whether the buzz was substantive. I'd look at both before making a decision.
Marvin: Quick Overview
Marvin
Auto-fill Stripe's test card and payment info extension
544
Marvin is an extension for browsers to auto-fill the Stripe's Test Card and payment info. Save time of typing '4242' tons of times while developing and debugging your website with Stripe payments.
Your tool for building AI agents with natural language
9,871
Wordware is an IDE that enables anyone to build complex AI Agents and applications. Domain experts and engineers can now iterate 20x faster with prebuilt tools, API deployment, tracing, and more. Finally, build high-quality and reliable AI!
MGX (now Atoms) is a multi-agent AI platform based on real software SOPs. Chat with the AI team leader, product manager, architect, engineer, and data analyst 24/7 to create websites, blogs, shops, analytics, games, or anything else you want to try.
Bardeen is an automation app to replace your repetitive tasks with a single shortcut and control your webapps from anywhere. Explore our integrations with your favorite apps and hundreds of pre-built playbooks that help you stay in the flow! https://www.bardeen.ai/
With bolt.new you can prompt fullstack web applications into existence, see them executed in real-time, debug errors as they occur & deploy a fully functional app—all without ever leaving your browser or personally writing a single line of code!
Github + Pinterest to make your AI websites look beautiful
1,233
Make your AI websites look professional & beautiful. Copy-paste UI into v0, Cursor, Bolt, Lovable, Replit from the largest marketplace of UI elements. Get inspired by 50+ pro design engineers. Publish your design engineering work
The first AI web designer & developer by your side
1,200
Hi, I'm Wegic, the first AI web designer and developer by your side, powered by the latest GPT-4o model. I can help you create and modify websites in tons of languages through simple conversations. Feel free to chat with me and I can bring your ideas to life!
An open source monetization platform for developers
1,171
An open source alternative to Lemon Squeezy with better pricing. Built for developers to offer crowdfunding, memberships, digital products and SaaS within minutes. Stay focused on shipping your passion - leave upsales, billing and international taxes to us.
Automatically create how-to guides with screenshots
1,132
Take the dreaded chore out of creating documentation. Onboard new hires, resolve customer issues, and share product updates faster. Documentation that whistles while you work. https://tango.us
Build web apps & portals from Airtable, no code required
1,121
Softr is the easiest and fastest way to build powerful web apps and portals from Airtable, in minutes. No code required. With Softr, you can build client portals, internal tools, marketplaces, online communities, resource directories and websites.
Launch and get feedback on both the idea and product
1,105
A modern launch platform for early products: get feedback, traction and first customers over a month. Both ideas and product are scored separately. Your products get eventually roasted or boosted.
Build web apps 10x faster with Deno, JSX, TS & Tailwind
1,067
Web development should be easy and fun, which is why we created an integrated frontend platform that combines the realtime collaboration of Figma with the developer experience of VSCode, the extensibility of WordPress, and the power of AI, all in one tool.
A new AI model that you can prompt with UI designs
1,061
New ensemble model purpose-built to understand and code UI like human devs. Prompt it with designs. Get high-quality UI code in seconds. No manual tags or auto-layout needed. Logical DOM structure & React components. CSS with no hardcoded dimensions. Clean JS.
⚡️ Ship apps translated in every language, in minutes!
1,058
Lingo.dev is an AI Localization Engine. It turns weeks of translation work into automated pull requests. Built by developers for developers, it produces authentic translations by understanding UI elements' placement and microcontext.
Check the category tags first. Products sharing 3+ categories with Marvin are going after the same buyer. Products sharing only one tag might solve a related but different problem. That distinction matters more than score differences of a few hundred points.
Frequently Asked Questions
Primary target audience at launch. Some products serve both. We classify based on who the product was positioned for, not who ended up using it.
We're working on it. Right now, the index captures launch data and community metrics. Direct product links are coming in a future update.
April 2021. Five years of launches, covering the entire AI boom, the no-code wave, and multiple cycles of every major category.
Not yet. The current index captures launch-period engagement. We're evaluating ways to track post-launch traction, but it's a different data problem and we want to get it right.
Check the comparisons section. We auto-generate side-by-side pages for products that share categories and have similar traction levels. If the pair you want isn't there, the products might be too far apart in engagement to make a meaningful comparison.