rune

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Rune

图片：Linux 图片：macOS 图片：Lint 图片：codecov 图片：Discord 图片：Reddit 图片：License: GPL v3

Rune is a fast, GPU-rendered, keyboard-driven IDE for power users. The Unix way, finished as a product: code, terminals, CLI tools, language intelligence, debugging, and AI agents, all in one composable, multi-workspace environment.

Rune Agent, in cmd/rune-agent, is an AI coding agent shipped as an extension rather than part of the core editor. This keeps Rune suitable for automatic programming while still allowing uncorrupted manual programming, and it pushes the extension system to support complex applications.

Rune has been slowly developed over the course of the last few years and we’ve taken great care in making it easy to develop and maintain. We hope you enjoy hacking it as much as you enjoy using it.

See docs.rune.build for the full documentation.

图片：Rune IDE showing its character-grid interface, with an editor, a file tree, and an agent session side by side.

Repository layout

• cmd/rune — the main Rune application
• cmd/rune-agent — the Rune Agent extension and packages
• cmd/rune/docs — the documentation site published at docs.rune.build; its markdown is embedded into the binary and served by the docs:/// workspace
• internal/ — the editor, terminal, text, workspace, and LLM packages the binaries are built from

Everything outside cmd/ lives under internal/. Rune is an application, not a library: the supported, semver-stable API for writing extensions is rune-go-sdk, which is a separate Apache-2.0 module. Packages in this repository carry no compatibility guarantees and are refactored freely.

See AGENTS.md for a deeper tour of the architecture.

Build prerequisites

Rune links a GPU renderer through cgo, so a C toolchain is required. macOS needs only the Xcode command line tools. Linux additionally needs the X11, OpenGL, ALSA, Wayland, and xkbcommon development headers, whose package names differ per distribution.

Building from source has the verified package lists for Debian/Ubuntu, Fedora/RHEL, Arch, openSUSE, Alpine, and Void, along with a walkthrough of your first change to the editor.

Makefile

A plain checkout builds with the standard Go tooling — no submodules or code generation steps required:

go run ./cmd/rune

The Makefile adds the version, commit, and build-date ldflags plus the release build tags:

make                 # build all binaries into bin/
make debug           # build with the race detector and debug-only commands enabled
make clean           # remove bin/ and target/

# individual binaries
make rune            # the editor (bin/rune)
make rune-agent      # the agent extension binary (bin/rune-agent)

# testing and code quality
make test            # run the test suite with the race detector
make test-e2e        # also run the e2e suites (requires docker)
make test-no-race    # run the test suite without the race detector
make coverage        # generate a coverage report
make lint            # run golangci-lint
make format          # run go fmt
make generate        # regenerate generated files (protobufs, mocks, docs)

# license headers
make license         # add the license header to files that are missing one
make assert_license  # fail if any file is missing the canonical header

The remaining targets (dist, release, rune-dmg*, *-docker-*, *-notarize, *-dist*) drive Unstable Build’s internal release, packaging, and cloud deployment pipelines and are not expected to work outside that environment.

Contributing

See CONTRIBUTING.md.

To report a security issue, see SECURITY.md.

Sponsorship

Rune is developed by Unstable Build, LLC, a self-funded company. If you’d like to financially support us, you can do so via GitHub Sponsors. There are no perks or entitlements associated with sponsorship.

License

Rune is licensed under the GNU General Public License, version 3 or, at your option, any later version.