Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
Abstract - A secure, version-controlled hub for your design files
Sense.Vision - User testing, playtests worldwide
Kactus - Design version control without changing your tools
Qualtrics - Qualtrics is the most trusted research platform, helping brands make crucial business decisions. From surveys to insights to action.
Git Sketch Plugin - Version control for designers