Taking a look through https://stackexchange.com/sites https://stackexchange.com/sites, I see several fairly specific programming communities: askubuntu.com and

Taking a look through https://stackexchange.com/sites https://stackexchange.com/sites, I see several fairly specific programming communities: askubuntu.com and unix.stackexchange.com vi.stackexchange.com and emacs.stackexchange.com stackoverflow.com and codereview.stackexchange.com