The ChemCollective.org

The ChemCollective.org – Online Resources for Teaching and Learning Chemistry.

“The Chemistry Collective project is currently funded by the National Science Foundation, so our software is available free of charge to all educators and students. You and your students can use it on the web immediately without any licensing requirements.”

Many useful resources including the JAVA Chemistry Lab. There are resources for students and teachers. This site promotes the creating and adaptation of lessons. They even have a Murder Mystery for your class to solve.