Compare tools
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
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Open Apps
✓ verifiedFreemium
Curated directory of vetted open-source alternatives to paid SaaS, with health ratings and an OSS-migration service.
38K visits/mo
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Atoms
✓ verifiedFreemium
No-code AI platform using multi-agent 'employees' to research, build, deploy and market full-stack apps from a prompt.
619K visits/mo15K saves
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Lovable
✓ verifiedFreemium
AI app builder that turns chat prompts into working web apps and sites, with credit-based build and deploy.
35M visits/mo69K saves
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Dyad
✓ verifiedFreemium
Free, local, open-source AI app builder that works with any AI model and exports real code you own, with zero lock-in.
245K visits/mo
Pricing
No public pricing
Stack Audit: $499 (one-time)
Free: $0/mo (15 credits/day)
Pro: from $20/mo (100 credits)
Max: from $100/mo (500 credits)
No public pricing
No public pricing
Core features
- ✦Fast tensor operations
- ✦Differentiable tensors for gradient-based optimization
- ✦Network connectivity
- ✦Integration with Bun and Flashlight
- ✦Support for GPU computation with CUDA (Linux) and CPU computation (macOS)
- ✦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
- ✦Multi-agent AI team (PM, engineer, analyst, etc.)
- ✦Chat-to-build full-stack apps
- ✦Built-in backend: auth, database, Stripe
- ✦SEO and ads agents
- ✦Race Mode across multiple models
- ✦Code export and GitHub sync
- ✦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
- ✦Local-first, open-source app building
- ✦Works with any AI model or provider
- ✦Exports real, ownable code (no lock-in)
- ✦Supabase database, auth, and server functions
- ✦Built-in security review and fixes
- ✦Deploy to GitHub and Vercel; MCP server support
Use cases
- →Creating and manipulating datasets
- →Training small machine learning models
- →Implementing advanced training and inference logic
- →Building applications that require tensor computations
- →Finding open-source replacements for SaaS tools
- →Cutting software costs by self-hosting
- →Comparing open-source project health
- →Getting help migrating a SaaS stack
- →Build SaaS and e-commerce apps
- →Launch MVPs in minutes
- →Add payments and user login
- →Drive SEO and ad growth
- →Export code and self-host
- →Build web apps without coding
- →Prototype product ideas quickly
- →Create landing pages and sites
- →Ship internal tools
- →Building full-stack apps with your own AI models
- →Prototyping without proprietary platform lock-in
- →Adding database and auth via Supabase
- →Deploying apps to GitHub and Vercel
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