Stack Overflow is the default Q&A site for programmers (though the overall Stack Exchange network goes well beyond helping you answer your basic PHP questions). But over the course of the last year and a half, with its new CEO Prashanth Chandrasekar coming on board, the company has also kickstarted its SaaS business with a new focus on its StackOverflow for Teams product. Teams offers businesses something akin to a private Stack Overflow for managing and sharing knowledge across a company. Until now, Teams was only available through a paid subscription (or a time-gated trial), but starting today, Stack Overflow will move to a freemium model with a perpetually free plan.
As Chandrasekar told me ahead of today’s announcement, Stack Overflow’s $85 million Series E funding round this summer was all about Teams and accelerating its SaaS growth. “We wanted to double down on Teams,” he said. “And that is very

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