Rune's open-source announcement makes the code for its development environment publicly available. Per its README, Rune is a GPU-accelerated editor and terminal multiplexer, an interface for arranging terminals, tabs and windows, intended for both manual programming and coding-AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → workflows.
The source repository includes instructions for running and building the application, and states a license of GNU General Public License version 3 or, at the user's option, any later version. Developers can therefore read and modify the environment itself, with redistribution governed by that license. This changes their relationship to the tool: its implementation becomes something they can inspect rather than only use.
Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.