“Out of the 20 most central projects in the blockchain space measured by popularity, citation, and collaboration, 18 were created and maintained by organizations” The beauty of open-source is that projects tend to move as the spirits of their developers and contributors. “Our analysis found that only 8 percent of projects are active,” Evolution documents, “which we define as being updated at least once in the last six months.”.
http://bitcoinschannel.com/80000-blockchain-projects-8-percent-survive/