Also under the "If you tolerate windows" umbrella, PowerShell. I've been a die-hard Linux user since the middle of high school, but during some work recently,

Also under the "If you tolerate windows" umbrella, PowerShell. I've been a die-hard Linux user since the middle of high school, but during some work recently, I was pleasantly surprised by how quickly I could get a basic GUI for a PowerShell script I was writing.