Clearbit - Clearbit provides Business Intelligence APIs
Next Step for Trello - Check tasks directly from your Trello boards
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Fero - Super-easy user flow analytics & integrations for creators
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.
Scrum Study Cards - An easy to understand overview of the Scrum framework.