We created PerceptiLabs, a TensorFlow-based visual modeling tool. It’s free to use and can be installed by:
$ pip install perceptilabs
Here is a tutorial/demo on building a model that predicts the age of a human face:
PerceptiLabs Live Coding: Age prediction (again)

For more information, please visit our documentation: Welcome - PerceptiLabs 7
Would love to get your feedback