The best alternatives to Mr. Parrot are Twitter, Discord, and Party Parrots. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Mr. Parrot?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Inspired by the classic Party Parrot emoji, Party-ify lets you automatically create GIFs in the same vein. Tweak the size, style and colour of the partyification, and generate custom emoji that I hope will help bring some fun to your favourite Slack and Discord chats!