Real-time error alerts, performance insights, and anomaly detection across your full stack. Free 30-day trial.
Move from alert to fix before users notice. AppSignal monitors errors, performance bottlenecks, host health, and uptime—all from one dashboard. Instant notifications on deployments, anomaly triggers for memory spikes or error surges, and seamless log management. Works out of the box with Rails, Django, Express, Phoenix, Next.js, and dozens more. Starts at $23/month with no hidden fees.
Try AppSignal Free
Gemini 3 and 200+ AI Models on One Platform
Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.
Build generative AI apps with Vertex AI. Switch between models without switching platforms.
AChecker is a second generation evaluation tool used to assess the accessibility of Web content to people with disabilities, using a variety of international standards.
OpenWolf is a web accessibility guidelines validator. By default, it checks websites against the WAI checkpoints. It supports CSS and poorly written HTML, and It is easily customised for any particular requirements.
With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.
You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
Looking for a way to publish your contents on the web? Something for the standardista in you? Accessibility totally matters and semantics is what you want? Look no further, try 3co!
wuhkag is a Web application written in PHP for evaluating Web sites accessibility and publishing an HTML accessibility policy. It supports W3C WCAG 1.0 and requires PHP 4; future developments include XML and EARL output support, with XSL i18 policies