Top 20 NuGet uptime Packages

UptimeSharp is a .NET portable class library that integrates the UptimeRobot API.
Service implementation for the Uptime Robot API.
SteamGaugesApi is an API client for checking the status of Steam, Dota, CS:GO and Team Fortress. It will enable you to check the status of those platforms in a really easy way. Super helpful for writing bots or sites based around Steam's item system.
Wolfpack.Contrib.Checks.Uptime
Package to enable monitoring the health status of your home page. Can send warnings and status updates through email or your own custom prefferred way when something is wrong.
TriggerIt is a lightweight library for triggering actions based on logged events or uptime. It's origin is in Xamarin Forms development but it can be easily extended.