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Open-source guardrails for software delivery.

Linting, commit standards, and CI/CD automation — maintained in the open, and running in the CI of more than 1000 public repositories.

cpp-linter

Lint every pull request.

clang-format and clang-tidy on each PR, as a GitHub Action, a pre-commit hook and a Python package. Fixes arrive as review suggestions you can commit in one click.

In the CI of

ApacheSamsungQualcommBloombergLLNLNextcloud

Infrastructure you own.

Self-hosted Keycloak, Atlassian apps that run inside your own tenant, and Mac backups to your own storage.

Free · Open source · macOS 14+ Keelhaven Mac backup to storage you own. A native menu bar app over restic; files are encrypted before they leave your Mac. Learn more ›
Atlassian Marketplace keelapps Permission audits, recurring tasks, scheduled reports and page approvals for Jira and Confluence Cloud. Learn more ›
Product keelinfra Self-hosted Keycloak you can run in production, with upgrade paths re-tested nightly in public CI. Learn more ›

Writing.

Since 2017, in Chinese and English.

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If one of these tools saves you time, sponsoring keeps it maintained.

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