Slackmoji - 🕵🏻 Browse, search + install Slack emojis in just one click!
Discord Emoji - Iconfinder, but for emoji.
Slackmojis - A directory of the best custom slack emojis
Emoji CSS - Add Emoji's to your website
More Moji in Slack - You don't have enough emojis in Slack.
Wemoji - Animated emojis for all skin tones 💯