Glui - glui - GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, using GLUT or FreeGLUT.
Decidr - Make better decisions with quick A/B polls
Red Pen - Red Pen lets you upload your design, share a short URL, and get live, annotated feedback super-fast.
GoodUI Evidence - People's A/B test results that show which UI ideas work best
GoodUI Fastforward - Lift your conversion rate with repeatedly AB tested patterns
Lean Analytics - A/B testing React apps made easy