What about software-as-a-service offers? With https://www.circuitlab.com/ you can run simulations in your Browser. It is commercial software, subscription-based.
I don't know how well this can scale up. Maybe the web can handle only simple circuits.
Hope this helps.
Link for the Image(VMware)
Link for VitualBox
VMware shared by Adam G
The virtual machine image has Ubuntu Linux Desktop 16.04 LTS 64-bit pre-installed with the following machine learning tools:
OpenCV 3.2 with Python 3 bindings
dlib 19.4 with Python 3 bindings
TensorFlow 1.0 for Python 3
Keras 2.0 for Python 3