A New Extreme ABC-example - Explanation of an example with quality 1.920859, found by Benne de Weger and Niklas Broberg. - http://deweger.xs4all.nl/oud/broberg.txt
MUG: ABC-conjecture - Maple code to illustrate the conjecture discussed and refined. - http://www.math.rwth-aachen.de/mapleAnswers/html/180.html
Good ABC-Ratios - Known ratios greater than 1.4, compiled by Andrej Rosenheinrich, based on a table of ratios by Abderrahmane Nitaj. - http://www.mathematik.uni-jena.de/~aros/abc.html
The ABC Conjecture - Maintained by Abderrahmane Nitaj. - http://www.math.unicaen.fr/~nitaj/abc.html
The Amazing ABC Conjecture - Article by Ivars Peterson. - http://www.maa.org/mathland/mathtrek_12_8.html