For me, C# / .NET / Visual Studio / Resharper is the most productive general purpose development environment I've encountered. I've made a number of very seriou

For me, C# / .NET / Visual Studio / Resharper is the most productive general purpose development environment I've encountered. I've made a number of very serious efforts to move away from it (to diversify knowledge / due to it's image problems), but always come back because my productivity is just so high. For operations, I don't like Windows - Linux is far superior for scripting, how-to information more widely available, it's open source, cheaper etc. So I tend to always deploy using mono. There are incompatibilities, but I have found them to be relatively minor based on my experience working on some very large systems.