The Raisers Edge - Cloud-based fundraising & donor management software solution built specifically for nonprofits & the entire social good community - get more info here.
Simple Poll - The easiest way to create polls in Slack
Naviance - Naviance is a college and career preparedness software for students.
GitHub Polls - Polls for GitHub issues and readme
Talisma - CRM suite with marketing and KB (Knowledge Base) tools
minipoll - Create simple shareable polls in seconds