I have a home page and a (very sporadically updated) blog.
Other than that, the best ways to contact me, roughly in order of preference:
iMessage
a@9srv.net
Fediverse/Mastodon
a@pdx.social
twitter
anths
keybase.io
anths
IRC
anth, anth_x, anth_r (anth_*) on freenode
Phone
+1 973 886 5742
email
a@9srv.net
[less often used]
WhatsApp, Signal
+1 973 886 5742
Findery
anth
XMPP
anth@jabber.org
skype
anthonysorace
pnut.io
anth
[almost never used]
Telegram
anthsora
Wickr
anths
Snapchat
anthsora
LINE
anthsora
yahoo!
anthonysorace
pump.io
anth@identi.ca
[defunct]
AIM ☹
afsorace
app.net
anth
tent
anth.tent.is
Ello? Peach? Disaspora? Lord, are those still things?
Please don't send me messages on Facebook or LinkedIn.