uHerrd - uHerrd is one of the best platforms that help you to create and search powerful opinion polls.
Twitter Polls - Polls embedded in tweets
Polly.ai - Capture instant feedback on Slack, Teams and Zoom with Polly
Astral - A social network for augmented reality 📍
Curious Polls - Answer a question once a day for the chance to win £100/$100
Octotree - Github on steroids