ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
GoodUI Evidence - People's A/B test results that show which UI ideas work best
Thum.io - A real-time website screenshot generator
Decidr - Make better decisions with quick A/B polls
Blink - Blink is a team and employee app, with a Feed, Chat and Hub (for documents, links, files).
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.