They are less common if you get a job where development or software isn't their main business. I was the lead developer at a company where I primarily worked o

They are less common if you get a job where development or software isn't their main business. I was the lead developer at a company where I primarily worked on their e-commerce site. The only NDA I signed was related to their core business. They didn't care about any of my side projects as long as it wasn't in direct competition. But, these sorts of jobs are usually less fulfilling/interesting.