Comby

6.4easy start · #10 of 40
in Code Search Tools

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, self-hosted, Windows.

Visit site Alternatives

Comby is ranked #10 of 40 in code search tools on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Windows.

Compared on code search tools

Indexing scope: codebase
Deployment: self_hosted
Regex search: Yes

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The record

Purpose: Comby searches and changes code structure using lightweight templates.
Language awareness: It understands basic syntax for code, strings, and comments across many languages.
Language coverage: Comby lists basic parsers for languages including C/C++, Go, JavaScript, Python, Rust, and TypeScript, with a generic matcher for other formats.
Refactoring: The site describes Comby as useful for large scale refactoring and one off code changes.
Interactive review: Comby supports an interactive review mode for proposed changes.
Install options: The site provides installation instructions for macOS, Ubuntu, Windows through Ubuntu on WSL, and Docker, and also describes building from source.
Integration: Comby can be used through Python bindings, its command line, or HTTP requests to a server run on the user's machine.
Editor integrations: The projects page links to an Emacs package and a prototype VS Code extension.
Use cases: The projects page lists structural code search, compiler fuzzing, test case reduction, editor find and replace, and academic research among Comby's uses.
Support: The help page directs users to the Gitter channel for usage questions and help writing patterns.
API limitation: The API documentation says rewrite ranges currently report line and column as -1, and repeated hole identifiers in a rewrite template currently report only the first range.
Security and compliance: The opened product and documentation pages do not state security certifications or compliance claims.

Where it ranks on The Geeks Club

Best Code Search Tools in 2026#10 of 40
Best Code Refactoring Tools in 2026#9 of 22

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Sources

comby.dev· checked 4 Oct 2026
comby.dev/docs/overview· checked 4 Oct 2026
comby.dev/en/projects· checked 4 Oct 2026
github.com/comby-tools/comby· checked 4 Oct 2026
comby.dev/docs/get-started· checked 4 Oct 2026
comby.dev/docs/api· checked 4 Oct 2026
comby.dev/docs/get-help· checked 4 Oct 2026