PCB design software development wasn’t always dominated by a trio of giants. Even not-so-old timers will remember the landscape once overflowed with small, entrepreneurial businesses. Pads, Cooper & Chyan, Redac, CADI, CADAM, OrCAD, Symbionics, ACT, Ambit and countless others were the foundation for what has emerged as Mentor Graphics, Cadence and Zuken.

Read more: The Rise of the Small?

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