I am not so happy with the autogenerated list at http://question2answer.org/sites.php - It contains a lot of spam and does not show real quality sites (there are some, but not many).
My idea: Let us post good sites that we find or develop ourselves here in the forum. Using the tag showcase (!)
Like this, everyone has the chance to present the background of his forum, or of the discovered forum, give some data, implementation hints etc.
It would be very interesting for most of us!
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April 20, 2021: Q2A 1.8.6 released!