ServersUp.net can check a number of different services on different hosts to make sure those services are up and running. It will send alerts when the statuses change.
Downdetector Alternatives
Downdetector is described as 'Monitors over 3,000 services in 25 countries including telecommunication outages (internet, phone and TV service), online banking problems, websites that go down and apps that aren’t working' and is a Uptime Monitor service in the news & books category. There are more than 100 alternatives to Downdetector for a variety of platforms, including Web-based, SaaS, Linux, Self-Hosted and Android apps. The best Downdetector alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Downdetector are UptimeRobot, Tianji, Down For Everyone Or Just Me? and Kener.
Alternatives list
EZ Website Monitoring provides keyword rank tracking, uptime monitoring, and error checking for your website.

Statusdroid operates a worldwide network of servers which checks your website every 30 seconds from over 15 worldwide locations.
Cost / License
- Free Personal
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Chrome OS
- Uptime monitoring - checks are performed approximately once every minute from one of the available locations worldwide. During downtimes, checks are performed from four different locations simultaneously. Downtime is only recorded if more than half of servers can confirm it.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)


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PingRobot is a website monitoring service that alerts you when websites are not operational and when they come back online.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)

Webmon is a Realtime Website Monitoring and Escalation Service.
Webmon is a website availability monitoring and escalation service that allows you to monitor your online services and get notified upon downtime and error conditions. Webmon also offers realtime dashboards to compa.


PowerOutage monitors over 2,000 electric companies in the United States and detects power outages and other problems based on website users reports.
Cost / License
- Free
- Proprietary
Platforms
- Online
Servers Alive is an end-to-end network monitoring tool running on Windows 2003/2008/XP/Vista/7. It works agentless and across operating systems. Its checks and alerts are on the cutting edge of technology.
WebSitePulse is a leading provider of advanced, independent and remote monitoring services that enable clients to increase the efficiency of their mission-critical e-business operations, and to reduce their risk of failed Internet transactions and loss of revenue.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- iPad
ApiChecker is reliable uptime and performance monitoring for your service. It uses different servers around the world to verify your service/API/WebSite performance and uptime ?! We also provide different way to keep you notified about downtime - it can be SMS , Slack, Email...
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)


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Website monitoring made simple yet powerful. Get notified when your site experiences an outage via your choice of method. Escalate when needed.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)


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