Odown is described as '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' and is a Website Monitor in the Network & Admin category. There are more than 100 alternatives to Odown for a variety of platforms, including Online / Web-based, SaaS, Windows, Linux and Mac. Most alternatives are Website and Uptime Monitors. The best alternative is UptimeRobot, which is free. Other great apps like Odown are Better Uptime (Freemium), Pingdom (Paid), Freshping (Free) and Cabot (Free, Open Source).
Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free.
Monitor HTTP(S), Ping, Port and check Keywords.
Get alerted via e-mail, SMS, Twitter, web-hooks or push.
View uptime, downtime and response times.
Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your website as experienced by visitors.
PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address.
StatusCake.com is a free website monitoring tool which allows users to track up to 10 websites and get alerted when their site is down or is having trouble. Downtime root cause analysis is included in the free plan to help users diagnose and fix issues.