If I recall it right Horde has Zen Horde (not sure if that is going on) and Calm Keystones. Alliance has Calm Keystones as well.
You can also try joining FailTrain, though they are a discord-based community. Both factions have their representation there.
https://www.reddit.com/r/wow/comments/7iaggl/fail_train_friendly_wow_discord_for_shy_and_new/