Very interesting project, sharing computation resources for something usefull and for a purpose. 


Desktop:
Windows 10 x64
CPU: i7-4790S (3.2 GHz)
RAM: 16GB
GPU: NVIDIA GeForce 1050 (2GB)
Browser: Chrome, Firefox, Internet Explorer, Edge and others if needed.

Laptop:
Windows 10 x64
CPU: i7-7500U (2.7 GHz)
RAM: 8GB
GPU: NVIDIA GeForce 940MX
Browser: Chrome, Firefox, Internet Explorer, Edge and others if needed.

Mobile:
Sony Experia L1 G3311
Android 7.0
CPU: Quad-core 1.45 GHz Cortex-A53
RAM: 2GB
GPU: Mali-T720MP2
Browsers: Chrome, Firefox and others if needed.

Old Windows Lumia 635 Phone.
Windows Phone 8.1

Possible access to other hardware if needed.