Correct, although for many (most?) of Jetbrains products it is free for students and one can apply for licenses for open source work.
That said, for most .Net devs I know the first thing they do after installing Visual Studio is installing Resharper just to get it up to the same level that IntelliJ (including the open source community edition), NetBeans and Eclipse (both open source) provide out of the box.
That said, for most .Net devs I know the first thing they do after installing Visual Studio is installing Resharper just to get it up to the same level that IntelliJ (including the open source community edition), NetBeans and Eclipse (both open source) provide out of the box.