RoleMaster Character Generator - Character generation web application written in JavaScript for first edition RM. - http://www.timgrant.net/rm/index.html
Vroomfoogle & Company - Access character generation software, house rules, a horse creation spreadsheet, ready-made campaigns and spell lists. - http://www.vroomfogle.com/
Worlds of Legend - Describes optional rules for spells, professions, characters, and combat. Also offers a list of characters and details on a campaign setting. - http://www.validus.demon.co.uk/nw/pnpindex.htm
No Human Voice : A Setting for Role Master. - Explore a space-based universe created for use with the Rolemaster rules system. Items covered are worlds, races, mechanics, and suggested races for particular playing styles. - http://firedrake.org/drpete/nohuman.htm
Unusual Magic Items - A collection of unusual magic items for the RMSS fantasy setting. - http://stobie.home.sprynet.com/games/magicitems.htm
Spell Mastery Additional Modifications - Additional modifiers, talents, and flaws that utilize the Spell Mastery skill in the RMSS system. - http://stobie.home.sprynet.com/games/SpellMastery.htm
Rolemaster Collected Rulings - Peruse a collection of official rule clarifications issued by the game's publisher. Topics include actions, character creation and old Rolemaster systems. - http://www.cstone.net/~ichabod/hog/rpg/rmcr/
WebRing: rmring - Group of interlinking sites forming the "Rolemaster Webring". - http://webring.com/hub?ring=rmring