A new authoring tool called EDiphy has been made available on the ViSH platform. EDiphy is an online e-Learning authoring tool that allows users to create educational resources in the form of web documents as well as interactive slideshows. The tool is open source and the code is available at https://github.com/ging/ediphy.
A video that explains how to use EDiphy is shown below.
More information about the tool is available at http://ging.github.io/ediphy/#/manual.