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 type
Platforms
- Online
- Software as a Service (SaaS)



Instatus is described as 'Get a status page in seconds. Stop wasting time to reply to endless status questions. Avoid downtime frustration. Rebuild customer trust' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to Instatus for a variety of platforms, including Web-based, SaaS, Self-Hosted, Android and iPhone apps. The best Instatus alternative is Better Stack Uptime, which is free. Other great apps like Instatus are UptimeRobot, Kener, OpenStatus and Pulsetic.
TLS Checker is a Free TLS / SSL Expiry Monitoring Service which includes Discovery, Inventory and Management of certificates. For Free.



UptimePal offers an affordable website monitoring service. For only $1/month per URL, you get 1-minute uptime monitoring, alerting software, & performance test tools - all from a robust worldwide monitoring network.


With Admin Labs' Monitor service you can you supervise and stay alert about the state of the web services and sites that are most important to you. If your server is slowing down or gets serious downtime you'll be first to know. How would you know otherwise?




Turn downtime into happy customers. The complete system status platform: incident management and system monitoring in one. Bring transparency to your users with beautiful, customizable status pages hosted securely external from your infrastructure.


A robust web application for monitoring website uptime, performance, and SSL certificate expiration. Simple Site Monitor provides an easy-to-use dashboard to track the health of your websites in real-time.




Free Website/Server Uptime Monitoring & Status Pages. Easy and reliable uptime and performance monitoring solution, with highly customizable and fast status pages.




An honest status page that shows your historical downtime in full and lets your customers trust your service more by seeing exactly what your uptime is.

Uptime monitoring for developers. Monitor APIs and websites, get alerts when they go down. 25 monitors free, unlimited for $15/month.


Pulsekeep is an uptime monitoring tool built for founders, developers, and small teams who care about catching real downtime without alert fatigue.

PingRobot is a website monitoring service that alerts you when websites are not operational and when they come back online.

AstroStatus is a user-friendly incident communication solution designed to help agile IT incident and services managers streamline and elevate their incident management processes.
AI-powered website, API & server monitoring with SSL alerts, EC2 control, and performance tracking. Starts free, built for developers & indie hackers.

