What are some alternatives?
When comparing Bitmoji for Slack and Emoji Packs, you can also consider the following products
Genies - Digital clones that react to the news in real-time
Emoji Best - A crowdsourced directory of the best custom emojis 💯
Humaaans - Mix-&-match illustrations of humans with a design library.
Cult of the Party Parrot - Add dozens of Party Parrot emojis to Slack
Bitmoji Chrome Extension - Bring Bitmoji to Chrome!
Slackmojis - A directory of the best custom slack emojis