Self-hosted accessibility monitoring that shows what is actually broken on your site
Customer perspective voice testing for agentic IVRs
Stage
Not given
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Founded
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Based in
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GB
Pricing model
Open source
Not given
Pricing
No cost. The self-hosted version is AGPL-3.0 with no account and no feature limits.
Free: 3 concurrent activities, 150 free minutes per month across all six activity pools, 50,000 free AI analysis tokens per month, full feature access, no credit card required, up to 2 API keys. Starter: $49/month with 2% off all PAYG usage and 10 concurrent activities. Team: $499/month with 5% off
Key features
Automated WCAG checks with axe-core
Keyboard navigation testing that simulates Tab presses
Consolidated problem reporting with page counts
Daily or weekly automatic site scanning
GitHub Action for CI/CD integration
Notifications via Slack, Discord, email or ntfy
Single sign-on with Google, Microsoft, Keycloak or OpenID Connect
Interface available in eight languages
Human review flagging for issues machines cannot judge
Self-hosted with Docker deployment
Voice journey mapping for DTMF, AVE, and conversational AI agents
Real PSTN customer-perspective testing
Load testing with elastic concurrency
Regression testing with diffs
Mission tests with AI agent judgment
EU AI Act Article 50 compliance reports
FCA PRIN 2A and Ofcom GC compliance attestation
MCP server for AI agent integration
CI/CD pipeline integration
What makes it different
Shows what machines cannot judge, not just automated check results
Real keyboard navigation testing that catches focus traps and hidden focus
Completely free and open source with no feature limits or accounts required
No modifications to websites and no false compliance claims
Self-hosted with no data sent to external servers
Per-second billing on-demand instead of capacity-planned contracts
Real PSTN calls instead of simulator-only testing
Dated, signed, hash-anchored compliance reports as evidence
No integration required - dials existing phone numbers over PSTN
Tabwalk
Nopaque