Simple Poll - The easiest way to create polls in Slack
ApproveIt for Slack - Get approvals in minutes, not days. Right from Slack!
GitHub Polls - Polls for GitHub issues and readme
AccessOwl - Discover Shadow IT, Automate Access Reviews and Auto-Provisioning — No Enterprise-Subscriptions required.
minipoll - Create simple shareable polls in seconds
Approve app for Zendesk - Any enforceable and auditable approval workflow for Zendesk tickets you can imagine can be easily created using the Approve app.