RapidMiner - RapidMiner is a software platform for data science teams that unites data prep, machine learning, and predictive model deployment.
Netron - Open-source visualizer for neural network, deep learning and machine learning models.
KNIME - KNIME, the open platform for your data.
Neuronify - An educational neural network app.
WEKA - WEKA is a set of powerful data mining tools that run on Java.
Deep playground - Deep playground is an interactive visualization of neural networks, written in typescript using d3.