GitHub Visualizer - Enter user/repo and see the project visually
Slack Meme Bot - Spice up your team conversations with memes
Codeology - Open-source algorithm that visualizes GitHub projects
GoGifApp - Free Slack GIFs App, multiple images to pick from at once
Octohunt - Search to find developers in your city on Github.
VixT on Slack - The best video mashup app now on Slack.