The Applied Probability Trust
The Applied Probability Trust is a non-profit foundation for study and research in the mathematical sciences. It publishes research journals, a student magazine and occasional special volumes.

Probability Theory and Stochastic Processes
Part of Dave Rusin's excellent Mathematical Atlas.

Measure and Integration
Part of Dave Rusin's excellent Mathematical Atlas

An Introduction to Stochastics and Finance
Links to web sites related to financial mathematics : Introduction to stochastic analysis applied to finance, option pricing and risk management.

Probability Abstract Service
Research paper abstracts.

Probability
Examines various definitions of Probability, and some paradoxes and perplexities.

The Collector's Problem and the Two-Dimensional Factorial
In finding a new solution to a classic probability problem concerning the collection of items in a set, a new and useful recursive function has been found, the "two-dimensional factorial."

Probabilistic Thinking
By Richard Jeffrey. HTML.

ArXiv Front: PR Probability Theory
Probability section of the mathematics e-print arXiv

Imprecise Probabilities Project
To help advance the theory and applications of imprecise probabilities, mainly by the dissemination of relevant information.

Math Surprises: An Example
Buffon's Needle simulation and a surprising demonstration of Barbier's theorem about shapes of constant width

The Probability Web
A collection of pages maintained by Bob Dobrow to serve people with interests in probability theory and its applications.

Parrondo Paradox
Parrondo Paradox simulation and a demonstration of the ratchet effect.

Probabilistic Learning Activities Network
Probability activities and simulations in the form of applets and spreadsheets. This site advocates a Question/Hypothesis/Experiment approach to learning probability.

The Laymans Guide to Probability
An in-depth but easily readable guide on probability theory, covering various aspects of theory with a bias to gambling games.

Theory of Probability
The introduction, formulas, software, algorithms, equations, problems, and calculations.

Applied Probability Society
A subdivision of the Institute for Operations Research and the Management Sciences (INFORMS) concerned with the application of probability theory to systems that involve random phenomena.