There are 2 repositories under gtaiv topic.
This project aims to fix or address some issues in Grand Theft Auto IV: The Complete Edition
Project2DFX is a set of plugins for GTA III, Vice City, San Andreas, GTA IV: The Complete Edition, GTA Liberty City Stories and GTA Vice City Stories, which adds LOD corona effect to a game map, making LOD-world look a lot better.
An automatic downgrader which downgrades GTA IV to either 1.0.8.0, 1.0.7.0 or 1.0.4.0.
http://gtaforums.com/topic/676844-colaccel-reduce-loading-time-by-50/
This repository contains known string lines and file names for RAGE based games (GTA IV, GTA V, RDR 2)
A comprehensive yet highly configurable quality-of-life mod for Grand Theft Auto IV.
The website for my GTA IV guide.
Blender addon for editing paths for GTA VC, SA, IV (WIP)
IV-SDK .NET allows you to create and run scripts for GTA IV in any .NET language out there!
Semi-automatic setup utility for GTA IV
GTA IV Decompiled Mission Scripts
This mod allows you to share your actions from GTA IV to everyone via Discord's Rich Presence feature.
This program is made to Bypass Games Launcher!
GFWL Patch for FusionFix with a few tweaks tailored for playing with GFWL
Convert OpenIV (GTA 4 & GTA 5) .odr files to Wavefront OBJ files.
Semi-automatic downgrade utility for GTA IV.
Interactive Map for Grand Theft Auto IV
WIP Grand Theft Auto IV OpenFormats Plugin for Blender, currently only with limited onim/oad support
ClonksCodingLib.GTAIV is an extension to the ClonksCodingLib library which contains useful features for IV-SDK .NET
Death Music IV is a simple mod where when you die, a random music track will be played. There are 6 default death musics included, these 6 are the original ones from GTA IV.
Project Thunder is a modification for Grand Theft Auto IV that aims to improve the thunderstorms of the game!
GTA IV ScriptHookDotNet from HazardX with a IV-SDK .NET translation layer on-top to make mods created with ScriptHookDotNet work with IV-SDK .NET!
Grand Theft Auto IV script to create a basic battle between two teams
Los Santos Stories - User Control Panel
Drop in replacement of PlayGTAIV.exe for downgraded copies of GTAIV on steam.
This is a little mod created with IV-SDK .NET which allows you to quickly toggle on or off the HUD and Radar.
Convert OpenIV (GTA 4 & GTA 5) .odr and .odd files to Wavefront OBJ files.