Jacob Borgeson

Season 2 dives deeper into network science and creating social change with a community. 

Probably the most popular by number of installations is the VBB open source software (Virtual Bulletin Board)

There are actually about a dozen platforms designed to fill this need - and they make up about a $2-3B annual market for brand community platforms today. Community-building is nearly as old as the internet, and so much has been developed since the advent of message boards and forums. 

"In a world where nearly all software relies on open source code, maintaining the resilience and health of the free and open source ecosystem is more important than ever. That's why we believe that dependence on centrally hosted platforms and corporations for the distribution of critical open source infrastructure is unsustainable. Reliance on such... See more

Here are the leaders by market share, with a few example brands for each: