I saw here that you can't redistribute Q2A code. Why is that?
Also, where is the source code repository? Or is only the latest version downloadable?
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.