Guidelines for handling icon files for iPhone-only apps, iPad-only apps, and universal apps.

Docco is a quick-and-dirty, hundred-line-long, literate-programming-style documentation generator. It produces HTML that displays your comments alongside your code. Comments are passed through Markdown, and code is passed through Pygments syntax highlighting.

Ingredients is a free browser for Apple's documentation.

The Dev Guide is a practical introduction to developing applications for Android. It explores the concepts behind Android, the framework for constructing an application, and the tools for developing, testing, and publishing software for the platform.

Tài liệu về Adobe Flex Builder, Flex 3,... của Adobe