Perhaps one of the most relevant that I have seen is that of the "Fat Protocol" theory This was an investment model that was first popularised by Joel Monegro over at Union Square Ventures -

Cryptocurrency trading based on the blockchain is growing rapidly with its ups and downs. In 2019 we are seeing a bear market, but fundamentals are speaking in favor of steady recovery and further growth

Pragma Create an Ethereum app in minutes Screenshots Hunter's comment Pragma is a platform for building Ethereum contracts. We're just getting started by publishing our event logging tool while we build