From Pierre Raybaut:
Spyder (64-bit) is a powerful interactive development environment for the Python language with advanced editing, interactive testing, debugging, introspection features, and numerical computing environment. Spyder (64-bit) also provides an object inspector that executes in the context of the console. Spyder (64-bit) lets you easily work with the best tools of the Python scientific stack in a simple yet powerful environment. It features are easily interact with your code as you progress, browse and analyze all the results your code is producing, explore new libraries, browse the commands entered on all consoles in chronological order, and manage large programming efforts with various project facilities.