Mojirater - Emoji reactions & social share buttons for your site
Snap Kit - Grow your app with Snapchat’s best features
Reaction Packs for Facebook - Swap out Facebook reactions for something a little more fun.
GhostCodes for Android - Discover the coolest accounts to follow on Snapchat 👻
EMOJI.RODEO - Slack's reactions on your site
NewsMood - This tool visualise the hidden emotional context of news.