Isometric Game Art Pack - Extensive library of game art for indie devs
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Sketch This - Daily drawing challenges
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.
IsometricSass - Make isometric 2D objects without Javascript
Google Forms - Simple web forms from Google.