GoldSim - GoldSim is the premier Monte Carlo simulation software solution for dynamically modeling complex systems in business, engineering and science.

Deep playground - Deep playground is an interactive visualization of neural networks, written in typescript using d3.

Netron - Open-source visualizer for neural network, deep learning and machine learning models.

Alkanet - Visual builder for neural nets, drag and drop for deep learning.

AnyLogic - AnyLogic has changed simulation modeling and expanded its application into complex business environments. The unmatched flexibility of multimethod modeling allows users to capture the complexity of virtually any system, at any level of detail.

StatSim - StatSim is a free probabilistic simulation web app.