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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.

DHTMLX Chatbot logo
DHTMLX Chatbot
✓ verifiedFree

Lightweight MIT-licensed JavaScript chatbot UI widget for building support-agent chat interfaces on top of any LLM.

92K visits/mo
Browserless logo
Browserless
✓ verifiedFreemium

Managed headless-Chrome infrastructure that runs Puppeteer/Playwright scripts at scale with anti-bot bypass, so teams skip browser ops.

242K visits/mo
Angular.dev logo
Angular.dev
✓ verifiedFree

Google's open-source TypeScript framework for building scalable web apps, featuring signals, reactivity and first-party tooling.

1.1M visits/mo
Miniapps.ai logo
Miniapps.ai
✓ verifiedFreemium

Marketplace and no-code builder for AI mini-apps and chatbots, with one-place access to many models and embeds.

2.3M visits/mo
Rork logo
Rork
✓ verifiedFreemium

AI chat-based builder that lets non-developers describe an app and generate native mobile apps to publish to app stores.

1.1M visits/mo
Pricing

No public pricing

Free: $0 (1k units/mo, 2 browsers)
Prototyping: $25/mo (20k units)
Starter: $140/mo (180k units)
Scale: $350/mo (500k units)

No public pricing

Free: $0 (100 credits/day, basic models)
Standard: $9.99/mo (8,000 credits, all models)
Pro: $39/mo (35,000 credits, API and embeds)

No public pricing

Core features
  • MIT-licensed and free to use
  • Lightweight (~65kb) JavaScript widget
  • 4 message display modes plus typewriter effect
  • Markdown support and chat history
  • Backend hook to integrate any LLM
  • Responsive, mobile-friendly, read-only mode
  • Managed headless browsers (browser-as-a-service)
  • Drop-in Puppeteer/Playwright support
  • Anti-bot bypass and CAPTCHA solving
  • Screenshot, PDF and download APIs
  • MCP server for AI agents
  • Self-hosted and cloud deployment
  • Live debugger and observability
  • Signals-based fine-grained reactivity
  • Built-in control flow and deferrable views
  • Server-side rendering and hydration
  • First-party routing, forms and dependency injection
  • AI-forward tooling and MCP resources
  • In-browser tutorials and playground
  • Access to many AI models in one place
  • Create no-code AI mini-apps and chatbots
  • Community app/game marketplace
  • Embed apps on websites
  • Image, audio and video generation apps
  • Chat-based app generation from a natural-language description
  • Native iOS app output that can be published to the App Store
  • Native game generation including 3D worlds and multiplayer
  • File uploads to guide generation (larger uploads on paid tiers)
  • Import paths from other builders/tools (e.g., Lovable, GitHub)
Use cases
  • Adding an AI chat UI to web apps
  • Building LLM-powered support agents
  • Embedding chat widgets in existing products
  • Prototyping chatbot interfaces
  • Run web scraping without infrastructure headaches
  • Automate browser workflows and tests
  • Give AI agents a reliable browser
  • Generate screenshots and PDFs via API
  • Building scalable single-page apps
  • Enterprise web application development
  • Performance-critical front ends
  • Learning modern web development
  • Building custom AI chatbots
  • Discovering community AI apps
  • Embedding AI apps on a site
  • Generating images, music and text
  • Non-developers building and shipping a mobile app idea
  • Indie creators prototyping and monetizing app-store apps
  • Building simple multiplayer or 3D games without coding
  • Converting an existing web project or repo into a mobile app
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