At the moment I'm mainly involved in assisting the development of OpenSesame: An open-source experiment builder for the social sciences.

Our current project is the development of OpenSesame Online, which is a runtime for experiments created with OpenSesame that enables them to be run in a web browser.

This project is very actively developed, and hopefully I there is more to show soon. In the meantime, this youtube video made by Sebastiaan Mathôt should give a nice impression of what's coming: