Stanford's Coursera announces free Compilers, Automata and Logic courses.
Stanford's Coursera launches 3 more CS classes.
Compilers by Professor Alex Aiken https://www.coursera.org/course/compilers
Automata by Professor Jeff Ulman https://www.coursera.org/course/automata
Intro. to Logic by Professor Michael Genesereth https://www.coursera.org/course/intrologic
Comments
Plug : I maintain a list of free Massively Open Online Courses (MOOC) at http://www.class-central.com