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GTA IV Mod Assistant by CoMPMStR28,210 downloads
GTA IV Weapon Editor by CoMPMStR56,806 downloads
GTA IV Handling Editor by CoMPMStR138,297 downloads
SparkIV 0.6.2.3 (for GTA IV v1.0.0.4) by aru1,159,246 downloads
GTA IV Patch v1.0 by Rockstar Games11,898 downloads
aru's File Modding Ability Patch by aru33,338 downloads
GTA4-Launcher Modding Ability Patch by s0beit51,501 downloads