I last used OrCad about ten years ago, and I hoped to never have to look at it again. It was a shit show, and even the terrible state of the open source tools available at the time was better. The whole EDA industry is a shit show, and it's no wonder they don't make any money; it's because they keep bodging on bit and bobs of incremental improvements, usually after someone else independently invents them. Why would anyone upgrade when the new stuff was the same as the old stuff? And look at what horrible problems document revision control are for CAD tools, they spawned a whole 'nother industry just to do the clerical work for the engineering staff.

>Synopsys and Cadence are the leaders of the pack.

Only by default and only through the inertia of lazy risk-averse management.

The CAD/EDA industry is a scourge.