Dear Reader
Do you have information of ECAD market share ?
It's many PCB Vendor. Everyone give suggesting of best schematic and pcb and simulation tools.
I think, one of the factor of the best tool is market share.
So if you have information of market, please reply message
Cadence and Mentor are the top two, who is number one depends on the direction of the wind is blowing that day Number 3 would be Zuken. Probably between the 3 of them, they have 70-80% of the market (If not higher)