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Google Opal
✓ verifiedFree
Google Labs experiment for building and sharing AI mini-apps from natural-language prompts, no coding required.
2.1M visits/mo
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Mintlify
✓ verifiedFreemium
Documentation and knowledge platform that keeps developer docs self-updating and queryable by AI agents.
718K visits/mo
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B12
✓ verifiedFreemium
AI website builder for professional service providers that generates sites, stores and web apps plus client-engagement tools.
475K visits/mo185K saves
Pricing
No public pricing
No public pricing
Starter: $0/mo (individuals and small teams)
Free trial available
No public pricing
Core features
- ✦CSV to API conversion
- ✦Data parsing (CSV to JSON)
- ✦Filtering capabilities
- ✦Build AI mini-apps from natural-language prompts
- ✦Visual editor for prompt/tool workflows
- ✦Share created apps with others
- ✦No-code AI app prototyping
- ✦Self-updating documentation
- ✦Web-based documentation editor
- ✦Custom domain hosting
- ✦Built-in search and API playground
- ✦MCP server for agent access
- ✦Authentication and access controls
- ✦AI website, store and web-app generation
- ✦Built-in on-page SEO and blogging
- ✦Client intake forms and contact manager
- ✦Email marketing and automation
- ✦Contracts and eSignatures
- ✦AI content and website chatbots
Use cases
- →Sharing CSV data with a team via an API
- →Creating a public API from CSV data
- →Filtering and accessing specific data within a CSV file programmatically
- →Prototyping an AI workflow quickly
- →Sharing a custom AI mini-app
- →Automating a task with chained prompts
- →Publish and maintain developer documentation
- →Expose docs to AI agents via MCP
- →Host a branded docs site on a custom domain
- →Give teams a collaborative doc editor
- →Launching a professional-services website quickly
- →Generating an online store or web app with AI
- →Capturing and managing client leads
- →Sending contracts and collecting eSignatures
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