thumb, a unified bootloader for in-game Lua environments#

thumb is a unified bootloader for ComputerCraft: Tweaked, OpenComputers and other relevant Lua 5.x environments.

For more information, consult the following references:

This documentation is organized using Diátaxis’ structure.

Any question? Any issue? Any security flaw, such as a sandbox escape? You can either contact me by mail at or on the Computer Mods Discord Server (@cake).


This project is in early alpha and documentation-driven, which means the documentation will very probably be in advance on the code. This is because I strongly believe that while the code might disappear, what will stay is the concepts and the user experience attempted at in this project, and the notions covered in the documentation (including protocols’ and file formats descriptions).