Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
LINQPad - A scratchpad for C#, F# and VB code including Linq queries.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Snippet Compiler - Authors description: "Snippet Compiler compiles snippets."
Better Uptime - We call you when your website goes down
Linqer - Linqer is a SQL to LINQ converter tool.