Imoji - Turn selfies or any photo into stickers you can text
RightGIF - Less noise, better GIFs. A better /giphy for Slack.
EmojiTerra - EmojiTerra is one of the interesting websites that provides you a chance to download emojis of every type in the form of files and allows you to share them with your friends or family members.
Firesong - Giphy for Music in Slack w/ Emoji Search
Copy and Paste Emoji - Copy and paste every emoji with ๐ no apps required. ๐๐๐๐๐๐๐๐๐ณ๐๐ฃ๐ข๐๐ญ๐ช๐ฅ๐ฐ๐ฉ
Slack Meme Bot - Spice up your team conversations with memes