Apps similar to OnlineOrNot include Uptime Kuma, which is free and open source. Other options are Better Stack, UptimeRobot, Tianji and Pingdom. There's no shortage of Uptime Monitor Services like OnlineOrNot, with more than 50 alternatives for the web, self-hosting, Linux, Android and iPhone.
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...
Semonto is an uptime monitoring app that allows you to keep an eye on your websites, servers and apps 24/7. Get notified when something goes wrong so that you can fix it before anyone notices.
Belgium
EU
Website monitoring for uptime, APIs, forms, logins and checkout flows, with actionable evidence when something breaks.
RomaniaEU
Checkly provides a better way to monitor your API endpoints and browser click flows from a single, simple dashboard.
GermanyEU
Check the website is a service that notify you when down. It's totally free. You can get notify by email, slack, telegram, desktop application and browser extension.
AustriaEU
Easy-to-use and accurate real-time monitoring of your websites and APIs to keep you up to date with performance. In the event of an outage, we notify you immediately via email, Slack, Webhooks, SMS, Telegram, or Discord.
