Assertible is the easiest way to test and monitor your APIs and helps reduce bugs in web apps by providing tools to continuously validate endpoints and responses with a flexible interface to run your tests any time and place.




Hexadecimal is described as '* 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' and is a Uptime Monitor service in the network & admin category. There are more than 100 alternatives to Hexadecimal for a variety of platforms, including Web-based, SaaS, Windows, Linux and Mac apps. The best Hexadecimal alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Hexadecimal are UptimeRobot, Pingdom, Screpy and HetrixTools.
Assertible is the easiest way to test and monitor your APIs and helps reduce bugs in web apps by providing tools to continuously validate endpoints and responses with a flexible interface to run your tests any time and place.




Monitor your websites and APIs from multiple locations around the world and get notified by smart alerts. Get daily, weekly and monthly availability reports along with performance metrics.

Netthrob runs automated verification checks on your website every three minutes from five different geographies and immediately informs you through Phone, SMS & Email when your site goes down.

Silent Down is a website uptime and performance monitoring platform, to keep an eye on your application and instantly alert you if any issues arrive.




SMTP Diag Tool is used to identify and troubleshoot SMTP server problems by trying to send a message to an SMTP server while displaying all diagnostic information in realtime in a log window.


Monitor Scout is a leading website and server monitoring company, with a wide selection of flexible, high quality services. The reliable web-based system monitors your websites and server 24/7 and reduces your downtime with immediate email/SMS alerts.


Monitive is an uptime monitoring service, where users sign up and input their website address, which we check every minute, from a random location around the world, and instantly notify them when their site is down.




UptimeMate helps you to find technical issues on your websites and makes sure that you are the first to know.



Falco helps you monitor, analyze, and optimize your websites. Falco runs performance audits several times a day, and offers a historical overview to monitor its evolution and enables you to access the full WebPageTest results of each audit, allowing you to analyze the...

The website monitoring service that doesn't suck. Get an email when your website goes down. Statuses are available by email, web, RSS feeds and widgets.
Sophisticated Uptime Monitoring for your Apps, DBs, IT systems, and business services. Get pro-active alerts and fix incidents with ease without the noise.
