Here is a good compilation of 100 tools for teaching and learning. The list was based on the results of  the votes of more than  50 learning professionals from 48 countries worldwide.

http://c4lpt.co.uk/top100tools/

The following collections should be useful for A/AS Level and a range of GCSE Physics topics.  In many cases you will require Java or Shockwave to be installed on your computer for the programs to run.

Java Applets on Physics

The Applet Collection

Fowler’s Physics Applets

Hyperphysics

Virtual Physics Laboratory

Maths,Physics and Engineering Applets

Mind mapping software is used to create diagrams of relationships between ideas or other pieces of information. A concept map is a special form of a web diagram for exploring knowledge and gathering and sharing information

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Watch hundreds of animated explanations, interactive tutorials and instructional videos and Explania.com !  They can also be embedded into your own website.

http://www.explania.com/en

Here is an example …. (click on the image to start the animation)

The Human Heart – Explania