This document discusses various free Web 2.0 tools that can be used to support 21st century learning goals. It describes tools like Wordle, Diigo, Google Apps, Glogster, and YouTube that can be used to facilitate student creativity, collaboration, and engagement. Additional tools mentioned include Google Earth, podcasting, Wikis, and Prezi for dynamic presentations. The document also discusses how tools like VoiceThread, Pixton, and Voki can be used to promote digital citizenship and responsibility.