Twitter Polls - Polls embedded in tweets
Cloverleaf - Do you know how the people on your team do their best work? The Cloverleaf team development dashboard can show you.
Curious Polls - Answer a question once a day for the chance to win £100/$100
Squash Reports - Keep your team in touch every day
Simple Poll - The easiest way to create polls in Slack
nodo - Manage your daily tasks in the command line