ApproveIt for Slack - Get approvals in minutes, not days. Right from Slack!

UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.

Approve app for Zendesk - Any enforceable and auditable approval workflow for Zendesk tickets you can imagine can be easily created using the Approve app.

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

ShiftX - A user-friendly, drag-and-drop, process visualization tool with connected data.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.