Visual programming environment

What ?

I want a visual programming environment that allows me to program creatively, from simple one-shot sketches to complex applications.

Comparisons

• http://processing.org/
  • Pros: Awesome community, very easy to dive in, small and concise API, designer frieldy
  • Cons: Only textual programming, tied to an old version of Java, doesn't scale well to large projects

Technologies

VMs/Languages

• Mono
  • JIT on common platforms
  • Supports many languages
• http://llvm.org/
• JVM
• http://metalua.luaforge.net - Static meta-programming for Lua
• http://www.parrot.org - Parrot is a virtual machine designed to efficiently compile and execute bytecode for dynamic languages
• http://nekovm.org/ - Supports Neko and Haxe
• Writing an interpreter, targeting a VM or writing from scratch?
• VM's... What's the best?