These are tokens based on Hive that you can trade against HIVE in the Hive Engine DEX. Using specific tags, your post will appear appear in the tribes frontends and you will earn additional tokens.

Here are some of them:
#neoxian - any topic, earn NEOXAG - https://www.neoxian.city
#palnet - any topic, earn PAL - https://palnet.io
#broadhive - any topic - earn BHT https://broadhive.org
#leofinance #leo - finance and investment - earn LEO - https://leofinance.io
#science / #technology / #engineering / #mathematics - earn STEM - https://stemgeeks.net
#creativecoin - art and poetry

!LUV !PIZZA