Visual Studio with the Python Tools extension vs Spyder

Has smart autocompletion based on variable types

Your Visual Studio Online account gives you a place to store your code, backlog, and other project data with no servers to deploy, configure, or manage.

In agile development teams one really needs features such as product backlogs where you can assign features to team mates and track their progress on them. VS provides a web based interface for you to track your team's complete progress on the project.

Released under the MIT license.

Spyder can plot graphs and provide the list of all variables.

Pylint integration enables to check the code for PEP8 style guide and detect errors.

Spyder's autocomplete features are made possible by a library called rope which gives Spyder powerful autocompletion.

Spyder (formerly Pydee) has support for all of the major operating platforms - Linux, Mac, and even Windows.

Aside from being an open sourced, actively developed IDE, vim key-binding support is also available. If you remember Pydee - this is it, albeit with a new name.

Dynamic variable explorer with editor and visualizer