Slack Meme Bot - Spice up your team conversations with memes
Copy and Paste Emoji - Copy and paste every emoji with ๐ no apps required. ๐๐๐๐๐๐๐๐๐ณ๐๐ฃ๐ข๐๐ญ๐ช๐ฅ๐ฐ๐ฉ
GoGifApp - Free Slack GIFs App, multiple images to pick from at once
EmojiOne for Chrome - Finally, an emoji keyboard for the modern desktop.
Firesong - Giphy for Music in Slack w/ Emoji Search
Emojipedia - The online encyclopedia of emoji.