Sentinel provides a centralised location in which you can see Domain, SSL and DNS information - all whilst checking that your SLAs are being met. Don't let your customers inform you that something is wrong because you didn't know.
United Kingdom
Pingdom Alternatives
Pingdom is described as 'Monitors uptime, downtime, and website performance in real time using synthetic and real user data, with instant alerts, customizable reports, and analytics' and is a popular Uptime Monitor service in the network & admin category. There are more than 100 alternatives to Pingdom, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Self-Hosted apps. The best Pingdom alternative is Better Stack. It's not free, so if you're looking for a free alternative, you could try Better Stack or Web Check. Other great sites and apps similar to Pingdom are UptimeRobot, Tianji, StatusCake and Google Lighthouse.
Alternatives list
CronAlert is an uptime monitoring SaaS built entirely on Cloudflare Workers, D1, and Cron Triggers. We monitor your websites, APIs, and scheduled tasks every minute and send instant alerts through email, Slack, Discord, Microsoft Teams, Telegram, PagerDuty, webhooks, and push...
CrawlRhino SEO Monitor is a website uptime and SEO monitoring tool that tracks downtime, response times, and changes to important SEO elements such as titles, meta descriptions, and headings.
WatchaBot is a lightweight, reliable monitoring tool that keeps your website and SSL certificate under constant supervision — and notifies you instantly via WhatsApp when something goes wrong.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)
UpDog is a hosted, Kuma-style watchdog for your services — a hosted Uptime Kuma alternative built for teams and solo builders. You get the flexibility of Kuma without self-hosting or babysitting servers.
Koguma extends Uptime Kuma's reach to monitor remote networks that your server cannot access directly. Install locally and report back seamlessly.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Windows
- Mac
Publish an emergency status page in seconds during downtime. No signup, auto-expiring, incident-first.
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PingRelay monitors your services and instantly alerts you when something breaks so you can respond before users are impacted.
Valla DNS is a modern, all-in-one domain intelligence platform designed for developers, sysadmins, and IT professionals. It simplifies complex networking tasks by providing real-time data on DNS records, global propagation, and SSL certificate status.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Pulsekeep is an uptime monitoring tool built for founders, developers, and small teams who care about catching real downtime without alert fatigue.
Hosted website and server monitoring that detects downtime, visual regressions, SSL issues, DNS changes, performance slowdowns, and content changes.
8 Uptimeify alternativesUptime monitoring platform for agencies featuring Playwright-based E2E flows, EU-only hosting, and automated white-label reporting.
Cost / License
- Paid
- Proprietary
Platforms
- Online
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