Firesong - Giphy for Music in Slack w/ Emoji Search
Slack Meme Bot - Spice up your team conversations with memes
Kapwing - Collaborative video editor for modern creative teams
Yarn for Slack - Drop TV and movie clips into your Slack chats
MemeGenerator Bot for Messenger - A meme generator for Facebook Messenger
GoGifApp - Free Slack GIFs App, multiple images to pick from at once