1. The document analyzes the adoption of Eclipse MDE technologies in open-source projects on GitHub. It identifies over 1,900 repositories and 2,200 developers working with these technologies. 2. Usage of the technologies has increased over time, with the most activity in recent years. Model-to-text transformation languages are more widely used than model-to-model languages. 3. Technologies led by industry are more popular than those developed in academia. Ecore, Xtext, Xpand, GMF, Acceleo and JET see broader adoption than Epsilon, ATL, Kermeta, and Henshin.