Heisenberg Uncertainty Principle
- An explanation of Heisenberg's Uncertainty Principle along with an applet demonstrating the law. The applet also allows for a user-defined momentum distribution.
- http://zebu.uoregon.edu/~imamura/208/jan27/hup.html

Quantum Physics Preprint Server
- A collection of research papers on quantum mechanics
- http://arxiv.org/archive/quant-ph

High Energy Theory Preprint Server
- A collection of research papers on high energy particle physics, and on quantum field theories.
- http://arxiv.org/archive/hep-th

Clebsch-Gordan Coefficients
- Java calculators of Clebsch-Gordan and other angular momentum coupling coefficients.
- http://www.gleet.org.uk/cleb/

Visual Quantum Mechanics
- Contains a collection of QuickTime movies showing solutions of the Schrödinger and Dirac equation and the homepage of the book Visual Quantum Mechanics by Bernd Thaller.
- http://www.uni-graz.at/imawww/vqm/

Kronig Penney Applet
- Java implementation of a Kronig Penney one-dimensional model's solver. Includes exercises on the subject.
- http://www.technion.ac.il/~emanuele/kp

How Stuff Works: Teleportation
- A fascinating look at a future technology and how it could be used to beam you from one place to another at the speed of light.
- http://www.howstuffworks.com/teleportation.htm

Knocking on the Devil's Door
- A simple introduction to quantum mechanics in the form of a 38 page PDF text book.
- http://www.math.utah.edu/~gold/quantum.html

Journal of Classical and Quantum Gravity
- An online journal containing new research on quantum gravity, many articles are free to the public.
- http://www.ioppublishing.com/Journals/cq

Examples in Quantum Mechanics
- Some examples of quantum mechanics and the Mathematica code that generated them.
- http://www.physics.csbsju.edu/QM/

CompHEP
- A standalone program for calculating cross sections of particle scattering in various QFT models.
- http://www.ifh.de/~pukhov/