OMLib Mod Wiki provides basic functionality like change owner command, RF/EU switch and a tool with which you can instantly mine your owned blocks.

Programmers who want to create an addon for OMT also depend on this and should therefore check its source, there may be things you may find useful here.
How to install:
Make sure you have already installed Minecraft Forge.
Locate the Minecraft application folder.
- Open Run from the start menu.
- Type %appdata%, click Run.
Input where OMLib Mod you have just downloaded (.jar file) into the Mods OMLib Mod folder.
Download Links
For Minecraft 1.18.2
For Minecraft 1.17.1
For Minecraft 1.18.2
Developer:Keridos