Free and paid game assets and game resources for 2D games, 3D games, mobile games, Steam games, Unity games, and other games.
List of free Unity game assets. The resources here are designed for use in Unity games.
Icon and image resize functionality, targeting iOS, Android, and Windows mobile apps; Chrome, Firefox, and Safari extensions; macOS and Windows desktop apps; and other common software products. Browser-based.
Tutorial for generating App Store screenshots manually or from templates
Style guides from Google, Facebook, Airbnb, Khan Academy and other tech organizations. Covers JavaScript, Swift, Java, Kotlin, and other popular languages. Made for developers by https://hotpot.ai.
Free Graphics for MIT App Inventor Users