OpenADA
OpenADA: A flexible self-hosted toolkit for site scans, PDF validation, APIs, and AI clients. Ranked #80 of 129 in Website Accessibility Tools by our editors (3.0/10); pricing: Free plan; best for open-source teams needing self-hosted scans.
At a glance
- Editor score3.0 / 10
- PricingFree plan
- Best forOpen-source teams needing self-hosted scans
- Free planYes
- Paid fromFree
- WCAG versionWcag 2.1
- Facts checked22 Sep 2026
Where it wins
- Crawls same-host sites with configurable limits up to 100 pages
- Combines axe-core, PDF/UA-1, and LanguageTool-compatible checks
- Offers REST, OpenAPI, MCP, Docker, and AWS deployment options
Where it doesn't
- WCAG coverage is specified for version 2.1
- Crawling is limited to same-host sites and up to 100 pages
- Teams seeking browser extensions or scheduling may prefer another tool
Our verdict on OpenADA
OpenADA is open-source accessibility infrastructure for developers, agencies, public entities, and site owners. It checks submitted HTML and public page URLs with axe-core, crawls same-host websites, validates PDFs against PDF/UA-1 with veraPDF, and adds LanguageTool-compatible spelling and grammar checks. The free product is available through web and API interfaces, with self-hosted deployment supported through Docker and AWS templates. Its audience is teams that want direct control over scanning workflows and deployment rather than a narrowly focused public checker.
Its platform fit is a notable strength. REST and OpenAPI interfaces support custom build pipelines, while the MCP server connects with ChatGPT, Codex, Claude, and other MCP clients. Public reports, progress tracking, and scan history give teams a way to follow results over time. WordPress and Drupal are named integrations, and the hosted widget can accept a public page and display a score badge. This combination makes OpenADA suitable for development workflows, agency reviews, and public-facing accessibility checks.
The product also takes a broad infrastructure approach, covering websites, PDFs, language quality, reporting, and deployment. That breadth is useful for teams consolidating several checks, but its audit scope is specified around WCAG 2.1 and same-host crawling up to 100 pages. Teams needing browser-extension workflows, scheduled scanning, or broader platform coverage should compare alternatives. Choose OpenADA when open-source access, API control, CI pipelines, MCP connectivity, or local and AWS deployment matter most; choose another product when guided browser workflows or a wider managed-platform experience are the priority.
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OpenADA pricing
OpenADA fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| WCAG version | Wcag 2.1 |
| Scan scope | Site |
| Scan limit | Not verified |
| Scheduled scans | Not verified |
| Browser extension | Not verified |
| CI/CD integration | Yes |
| API access | Yes |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Support | Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 6 integrations: WordPress, Drupal, custom build pipelines, ChatGPT, Codex, Claude |
| Pricing | Free plan |
| Website | openada.us |
| Facts checked | 22 Sep 2026 |
OpenADA integrations
OpenADA lists 6 integrations on its own site.
- WordPress
- Drupal
- custom build pipelines
- ChatGPT
- Codex
- Claude
Alternatives to OpenADA
- Octopus Scanner (formerly A11y Scanner)A free desktop scanner for detailed local audits of complex websites.9.3
- WAVEA flexible accessibility suite spanning free page checks, browser extensions, APIs, and CI workflows.9.1
- IBM Equal Access Accessibility CheckerA technically focused toolkit for browser, batch, and CI/CD accessibility checks.9.0
See all OpenADA alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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