Twitter Polls - Polls embedded in tweets
Zenity - Zenity is a tool that allows you to display GTK dialog boxes in commandline and shell scripts.
Simple Poll - The easiest way to create polls in Slack
Yad - Yad (yet another dialog) is a fork of Zenity with many improvements, such as custom buttons...
GitHub Polls - Polls for GitHub issues and readme
Glade - Glade is a RAD tool to enable quick & easy development of user interfaces for the GTK+ toolkit...