The management would like me to remind you to be sensible and nice.

IRC: I idle on Libera as apocalyptech
(I've also historically been on Freenode as sekhmet, but have ditched it for Libera.)
Github: apocalyptech
Discord: apocalyptech#5237 xolotl
Twitter, alas: @apocalyptech
(Feel free to follow if you're really compelled to, though it's really not worth it -- I use Twitter as a read-only feed and basically never tweet.)
Facebook: No.