id Quantique
Site Of id Quantique, Inc. Products include a quantum random number generator,and a quantum cryptography system.

MagicQ Technologies Inc.
The home site of the first start up company devoted entirely to quantum computing. No patents or products to date, but of interest by virtue of being first off the block.

Quantum Computer Emulator (QCE)
A Windows based simulator of quantum computer hardware. Provides an environment to execute quantum algorithms under realistic experimental conditions.

D-Wave Systems, Inc.
D-Wave Systems (dwavesys.com) is a portal to the state of the art in the design of quantum computers, operating systems, algorithms, hardware, superconductors, and quantum physics.

Quantum Computation: a Tutorial
By Samuel L. Braunstein, with links to tutorials on related subjects.

Quantum Computing with Electron Spins in Quantum Dots
A detailled study of using electron spins for quantum computation. Several possible implementations are discussed.

Quantum Computation
Research session at the Mathematical Sciences Research Institute, Berkeley, California; 19 August -- 20 December 2002.

Quantum Information Virtual Journal
An academic quality on-line journal dedicated to quantum information. Approximately 30 to 40 new papers per month.

Quantum Cryptography: Privacy Through Uncertainty
Explanation of quantum cryptography, with links and key citations.

Artiste Company
Commercial site offering software for Quantum Computer simulation and simulation of other quantum mechanical behavior.

libquantum
A C library for the simulation of a quantum computer. It provides all important operations and the simulation of decoherence effects.

Qubib (Quantum Bibliography)
A database of selected bibliography in quantum computer science in HTML and Bibtex format.

Qualgorithms
Blog focused on quantum algorithms, the latest quantum computing advances, and interesting research.

Chair of Quantum Informatics
Forum, publications, courses, seminar, links related to Quntum Informatics at Moscow State University.

Quantum Information and Reversible Computing
Frontier Science Research conference. La Jolla, CA, USA; 9--11 October 2004.

tmxxine
Open Source Software for Quantum Computing, teleportation between branes and other continuums.

Introduction to Quantum Algorithms
An tutorial on quantum algorithms for those new to the field and who do not have an extensive physics background.