Stuck with zappa? Assuming you're looking for help about the python lambda library and not the singer, then the following should help.
The main documentation is the project's README: https://github.com/Miserlou/Zappa/blob/master/README.md - check the links section for particular integrations (ex: django, flask, alexa skills).
If you think you found a bug, raise it in github issues: https://github.com/Miserlou/Zappa/issues If you already have a fix, create a pull-request: https://github.com/Miserlou/Zappa/pulls
If you want a new feature (or actually have implemented it), also raise it in github issues: https://github.com/Miserlou/Zappa/issues If you already have the code, create a pull-request: https://github.com/Miserlou/Zappa/pulls
If you are looking for support/discussions/answers to doubts, the best resource is the slack channel: https://slack.zappa.io/ - if you're looking for paid support, ask in the #support channel, otherwise #general or #aws are usually fine.
Hope this gets you unstuck!