A while back EWSEditor check-ins were moved to GitHub. Below are the links for download:
Here is the main page:
You can click "Clone or Download" to get the code.
On the main page there is also link with the text "release" (it has what looks like a price tag to the left). This link will to a page where you can download zip files of the code and built application. The built application zip file will have "Bin" in its name. Below is the link to "releases".