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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
Curated directory of vetted open-source alternatives to paid SaaS, with health ratings and an OSS-migration service.
Browser extension and AI generator that copies CSS from any site and turns designs or screenshots into code.
AI prototyping tool that generates UI matching your design system, letting product teams test features fast.
AI app builder that turns chat prompts into working web apps and sites, with credit-based build and deploy.
Appy Pie's AI app builder turns prompts into publishable native iOS/Android apps with backend, payments and push, aimed at non-coders.
No public pricing
No public pricing
Free trial available
- ✦680+ curated open-source apps
- ✦Five-metric health rating per app
- ✦Category and alternative browsing
- ✦Open-source ecosystem insights and reports
- ✦OSS migration consultancy service
- ✦Copy CSS/HTML from any website
- ✦Image and screenshot to code
- ✦AI React and HTML generators
- ✦Framework conversion (React, Tailwind, Vue)
- ✦Interactive editor with live preview
- ✦Free HTML-to-JSX and CSS-to-Tailwind tools
- ✦AI UI generation from prompts
- ✦Match existing styling and design systems
- ✦Rapid, high-fidelity prototyping
- ✦Live team editing and sharing
- ✦Enterprise security and compliance
- ✦Chat-to-app and website generation
- ✦Real-time prototype building
- ✦One-click deploy and hosting
- ✦Templates to start projects
- ✦Credit-based building with shared workspaces
- ✦You own your code and data
- ✦Prompt-to-app AI generator
- ✦Native Android and iOS binaries
- ✦Included backend, payments and push
- ✦Visual editor with natural-language edits
- ✦Store publishing assistance
- ✦Prompts understood in 8 languages
- →Finding open-source replacements for SaaS tools
- →Cutting software costs by self-hosting
- →Comparing open-source project health
- →Getting help migrating a SaaS stack
- →Cloning UI elements from live sites
- →Turning mockups into code
- →Generating React components fast
- →Converting CSS to Tailwind
- →Prototype new product features
- →Test designs with customers
- →Build design-system-consistent mockups
- →Build web apps without coding
- →Prototype product ideas quickly
- →Create landing pages and sites
- →Ship internal tools
- →Launching native apps without coding
- →Building apps for SMB verticals
- →Publishing to Google Play and the App Store
- →Adding payments and push to an app