The Best GTA 5 Tools of All Time

Certain files and mods have to be considered essential or mandatory for serious GTA V modding. These include Script Hook V, dinput8.dll, OpenIV (editor and asi), Script Hook V .NET, Trainers, the heap and packfile limit adjusters, and a gameconfig.xml mod.

So what else should you have installed? These are the best, tested and proven. Please note the mods and tools discussed below are not ranked in any particular order. Tool descriptions are from authors.

For Extending Game Limits or Functionality

Weapon Limits Adjuster: "This ASI allows you to increase the limits of weapons.meta to prevent crashes."

No Boundary Limits: "This ASI plugin patches numerous boundary limits, a full list can be found in the config file."

Resource Adjuster: "A collection of patches to improve stability, reduce texture loss and actually use your system's available resources as much as possible. "

FreecamV [.NET]: "FreecamV is a freecam script inspired by Jedijosh's Ingame screenshot mod."

Disable Phone: "When the mod is installed, the phone is disabled."

Best AddonPeds Option: "Using Add-On Peds without using meth0d's Add-On Peds script."

Reverting/Downgrading  

Issuer Check Bypass Against Social Club: "avoids the game refusing to start with the error code 16 for using a version of the exe older than the current build"

For Developers and Advanced Modders

YMTEditor:  No proper description from author but this is a fantastic tool that greatly simplifies customizing peds by adding slots (drawables) and textures.

CodeWalker GTA V: "This app renders the GTAV map in a manner reminiscent of SA-MP Map Editor. You can add markers like on the Glokon online map, but in 3D."

Lemon UI: "a framework for creating UI systems in Grand Theft Auto V that is compatible with SHVDN2, SHVDN3 and FiveM.  "

Addon Creator Vehicles : "This program generates autofilled in dlc packs"

Texture Toolkit : This tool is outdated but still useful.   "Texture Toolkit is a tool for GTAV that allows you to edit textures in *.ytd, ydd, ydr, yft, and ypt  files"