Awesome
Envision
This project aims to develop a next generation cross-platform IDE featuring a visual structured code editor.
Envision is an open-source project using the BSD license. The project is based on the Qt framework.
You can find more information about the project and the developer documentation on Envision's GitHub Project Page.
Envision is mainly being developed in the context of Dimitar Asenov's PhD studies at ETH Zurich.