TLS Checker is a Free TLS / SSL Expiry Monitoring Service which includes Discovery, Inventory and Management of certificates. For Free.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)



Uptrends is described as 'Website performance monitoring displaying the load times for various components of the site. Plans start at $23/mo' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to Uptrends, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Mac and Windows apps. The best Uptrends alternative is Better Stack. It's not free, so if you're looking for a free alternative, you could try Better Stack or Uptime Kuma. Other great sites and apps similar to Uptrends are Pingdom, FlareWarden, AlertBot and HetrixTools.
TLS Checker is a Free TLS / SSL Expiry Monitoring Service which includes Discovery, Inventory and Management of certificates. For Free.



It is an All-In-One Site Monitoring & SEO Tool that Reports site Performance, Monitoring Key aspects from Server Health to Domain Expiry, Title text and Website Uptime with instant Alerts to any Issues.




UpTower is an easy-use tool for website monitoring. UpTower checks websites in 1-minute intervals and notifies user via push notifications about every outage immediately. Using UpTower app user can monitor websites and their availability for free.




Standard uptime monitoring with alerts that include diagnostic information, timing breakdowns and dashboard snapshots. Configure alerts for HTTP statuses, reachability and performance thresholds.



Server Monitoring and Down Alerts made easy! WIndows, Linux & macOS Monitor servers easily and receive alerts on CPU, RAM or downtime.

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.



Kikloper is a lightweight monitoring platform for freelancers, developers, and agencies managing multiple websites.




Notifier monitors your websites, APIs, and servers around the clock and alerts you the moment something goes down. It checks as often as every 30 seconds and sends notifications through email, SMS, voice calls, and Slack so you never miss an outage.

Statusdroid operates a worldwide network of servers which checks your website every 30 seconds from over 15 worldwide locations.
Website and server monitoring with alerting via e-mail, SMS and phone calls. Has a dashboard to easily monitor 100 or more services at a time by sorting them depending on the amount of attention they need.


Simple uptime monitoring with SSL tracking, status pages, and smart alerts. Built for developers and small teams who value simplicity.
rhealth.dev is a developer-first uptime monitoring platform designed to reduce alert noise and speed up incident response.


