PSD to Sketch Design Converter - Convert a Photoshop design to a layered Sketch file for free
Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.
Kids-Printables - Free Printable ABC Tracing Worksheet for preschoolers. Click to download this and other printables on Kids-Printables! Make learning fun.
Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.
The Polaroid Lab - Turn your smartphone photos into polaroids
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.