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Testing and evaluation platform for voice and chat AI agents, running simulations, production monitoring and human QA review.
Google's open-source TypeScript framework for building scalable web apps, featuring signals, reactivity and first-party tooling.
One-click bug-reporting tool that auto-captures console, network logs and repro steps for developers.
No-code visual flow builder for launching multichannel SMS, WhatsApp and Facebook chatbots at scale, aimed at NGOs and enterprises.
Free trial available
No public pricing
Free trial available
Free trial available
- ✦Voice agent simulation at scale
- ✦Production call monitoring and evals
- ✦Human QA review queues
- ✦Regression testing across changes
- ✦Vendor bake-off comparisons
- ✦API, CLI and MCP interfaces
- ✦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
- ✦One-click bug capture via browser extension
- ✦Automatic repro steps
- ✦Console, network and device logs
- ✦Instant replay of recent activity
- ✦Backend tracing and an AI debugger
- ✦Integrations with Jira, Linear, GitHub and Slack
- ✦Drag-and-drop flow designer
- ✦Contact database with custom fields
- ✦Automated campaign scheduling
- ✦Omni-channel messaging (SMS, WhatsApp, Facebook, etc.)
- ✦Ticketing for bot-to-human hand-off
- ✦Zapier/Wit.ai/webhook integrations
- ✦Nonprofit discount pricing
- →Pressure-testing voice agents before launch
- →Catching quality drift in production
- →Comparing voice AI vendors objectively
- →Building scalable single-page apps
- →Enterprise web application development
- →Performance-critical front ends
- →Learning modern web development
- →Filing detailed bug reports
- →Reproducing issues faster in QA
- →Sharing debug context with engineers
- →Triaging support bug reports
- →Running patient or research-subject engagement programs
- →Building customer support chatbots across multiple channels
- →Automating recurring outreach campaigns
- →Handling large-scale SMS surveys in developing regions
- →Escalating complex chatbot conversations to human agents