Jetbrains makes the only really good VS + intellisense alternative. Coming from Windows where the most popular IDE gives you professional-grade debugging and inspection at $0 (if you sell your soul to daddy bill), it's really sad how almost all the developer tools on Linux are like 15 years or more behind the curve.
I know that this is comparing giant capitalist corporations with professional business in mind vs. a bunch of nerdy hobbyists, but I can't stand using Code::Blocks or KDevelop for anything serious for long periods of time.