Oxford University Mathematics OpenCourseWare
Oxford University Mathematics OpenCourseWare offers courses in Mathematics supplemented by Course Synopses, Lecture Notes and Problem Sheets submitted by the lecturer. This material is published by the Mathematical Institute and is openly available to anybody, students and non-students alike. It has been organised into courses, so that users can work through a particular topic or problem using a number of different resources. Topics covered range from Number Theory and Logic, to Algebraic Geometry and LaTeX.
All the content is released under the terms of OpenCourseWare, meaning that any material on the site can be used for non-commercial purposes, redistributed and edited, as long as the original owner is credited.