An article on making the move to GURPS from another system, using the author's Mechwarrior conversion as an example. From Roleplayer 19.

Character conversion formulas by Bruce Grubb.

A page devoted to using GURPS as the ultimate system for cinematic action roleplaying, recreating the exploits found in anything from Terminator 2 to Hard Boiled.

A standalone combat boardgame using the GURPS advanced combat rules. Also useful as a GURPS teaching tool.

A large collection of realism-oriented rules options, mostly focused on combat.

"Gulliver" is the most comprehensive re-examination of the GURPS rules on the net, covering Size, scaling and stats; shrinking and growing; flight, and literally dozens if not hundreds of other topics.

A mini-netbook discussing everybody's favorite topic, by Tim and Christine Morgan, who presumably playtested it.

Variant game mechanics and rules simplifications.

GURPS variants and random monster abilities.

Steffan O'Sullivan's adaption of an innovative concept from Lace & Steel, neatly ported to GURPS.

Originally printed in issue 9 of Pyramid magazine, this GURPS Magic variant is one of the most popular in the history of the game. Includes a PDF version of the Calamity Table.