District Builder is in active software development. Currently, we have released two software versions, version 1.1 and version 1.2. The two versions share many of the same functionality. The major difference between the two is that in version 1.2, we added new community mapping and report features and simplified the map editing user interface.
You can determine which version you are using by logging into the software and looking at the tabs at the top of the web page. In version 1.2, once logged in, the top of the web page looks like this: