Communications in Computer Algebra: The ACM SIGSAM Bulletin. Some tables of contents and sample articles.
Computer Algebra Nederland (CAN): Coordinates the use of computer algebra in education and research. Research reports, newsletters and historical material.
Groebner Bases: Definitions and examples, with Java applet.
GROEBNER: A Package for Calculating Gröbner Bases: A REDUCE package by H. Melenk and W. Neun, Konrad--Zuse--Zentrum, Berlin.
Journal of Symbolic Computation: Editors' site. Abstracts, contents, calls for papers and author information.
SIGSAM: ACM Special Interest Group in Symbolic and Algebraic Manipulation. Site has details of meetings, reports and other links.
SymbolicNet: Information centre for symbolic mathematical computation. Links to research and software.