The maintenance of e2tools has been moved over to

https://github.com/e2tools/e2tools
https://e2tools.github.io/

where both Christoph Gysin and Hans Ulrich Niedermann work on it.

If you want to open new issues or pull requests, please do so over at

https://github.com/e2tools/e2tools

Existing issues and pull requests will be get tracking issues over at

https://github.com/e2tools/e2tools

and will be closed here as soon as they have been solved over there.