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Enthought Tool Suite

The Enthought Tool Suite (ETS) is a collection of components developed by Enthought and our partners, which we use every day to construct custom scientific applications. It includes a wide variety of components, including:

  • an extensible application framework
  • application building blocks
  • 2-D and 3-D graphics libraries
  • scientific and math libraries
  • developer tools

The cornerstone on which these tools rest is the Traits package, which provides explicit type declarations in Python; its features include initialization, validation, delegation, notification, and visualization of typed attributes.

The categories to the left provide detailed information about the packages included in the Enthought Tool Suite.

More information is available for all these packages from the Enthought Tool Suite development home page (see also this legacy page).


"I set out to rebuild an application in one week that had been developed over the last seven years (in C by generations of post-docs). Pyface and Traits were my cornerstones and I knew nothing about Pyface or Wx. It has been a hectic week. But here ... sits in front of me a nice application that does most of what it should. I think this has been a huge success. ... Thanks to the tools Enthought built, and thanks to the friendly support from people on the [enthought-dev] list, I have been able to build what I think is the best application so far. I have built similar applications (controlling cameras for imaging Bose-Einstein condensate) in C+MFC, Matlab, and C+labWindows, each time it has taken me at least four times longer to get to a result I regard as inferior. So I just wanted to say a big "thank you". Thank you to Enthought for providing this great software open-source. Thank you for everybody on the list for your replies."
— Gaël Varoquaux, Laboratoire Charles Fabry, Institut d’Optique, Palaiseau, France

"I'm currently writing a realtime data acquisition/display application … I'm using Enthought Tool Suite and Traits, and Chaco for display. IMHO, I think that in five years ETS/Traits will be the most comonly used framework for scientific applications."
— Gary Pajer, Department of Chemistry, Biochemistry and Physics, Rider University, Lawrenceville NJ


For current documentation, go to Enthought's documentation pages.


Community support for ETS is available on the enthought-dev list, and on stackoverflow (tag "enthought").


The latest release of ETS is version 4.3.0, released in April 2013.

Installation Options