Theme

Monitoring tools

Watch a public site on a schedule. SignalWatch alerts on text changes, downtime, and TLS expiry. Mortise alerts when a link newly returns 404 or 410.

Which monitoring tool?

One row per tool. Prices are from each product's own pricing page; free tiers need no card.

Monitoring tools
ToolWhat it doesBest forPrice
SignalWatchAPI-first monitor for public-URL text changes, downtime, and TLS expiry.Builders watching pricing pages, status pages, changelogs, and policy pages.Free · Pro $12/mo · Business $29/mo
MortiseBroken link checker that alerts only when a link newly breaks.Site owners and freelancers who want recurring broken-link checks without a desktop SEO suite.Free · Pro $12/mo or $79/yr

Tools in this theme

SignalWatch

API-first monitor for public-URL text changes, downtime, and TLS expiry.

  • Hashes visible text; CSS selector, ignore regex, and min-change to cut noise
  • Alerts for text changes, downtime, recovery, and TLS expiry (14 days, then 3)
  • Free: 3 monitors / 15 min, 45-day history, no card; OpenAPI at /docs

Best for: Builders watching pricing pages, status pages, changelogs, and policy pages.

Free Pro $12/mo · Business $29/mo

Open SignalWatch Pricing

Mortise

Broken link checker that alerts only when a link newly breaks.

  • Ownership verification before any crawl
  • Baseline first; alerts only on newly broken links
  • Free: 1 site / 200 pages; Pro $12/mo or $79/yr

Best for: Site owners and freelancers who want recurring broken-link checks without a desktop SEO suite.

Free Pro $12/mo or $79/yr

Open Mortise Pricing

All tools · support@litework.me