Based on the search results, there are two primary, distinct interpretations of "Ruby Mod" available. The first relates to a Minecraft gameplay enhancement, while the second refers to early W3C XHTML markup specifications. Option 1: The "Rubies" Minecraft Mod (Version 1.20.1+)
Introduces ruby ore mining, crafting recipes for tools, and armor sets, offering a "vanilla+" style, similar to the gameplay additions shown in user experiences (like the ones from Modrinth or Reddit, such as the Rubinated Nether mod on Reddit ).
If you can tell me your goal, I can provide a more in-depth focus. XHTML 1.1 Ruby Module - W3C
Adds rubies and ruby-based equipment to Minecraft version 1.20.1. Key Features: