Tools
Vale
Command-line prose linter that enforces a docs style guide in CI; keeps large doc sets consistent.
Checks prose against a style guide as code: adopt packaged rules for the Google or Microsoft style guides or write your own checks in YAML. It runs in CI, editors, and pre-commit hooks, failing builds on violations the way a linter fails on code. How docs teams keep a hundred contributors sounding like one writer.
Added July 12, 2026
Similar Tools
Open-source docs framework from Meta, the workhorse of OSS documentation sites.
The most widely deployed open-source docs theme; Markdown in, a polished documentation site out.
Automated building, versioning, and hosting of docs from Git; the long-standing home of open-source documentation.
Open-source API reference and documentation tool that renders OpenAPI specs into interactive docs, with SDKs and API registry.
docs · api · open-source
Astro's documentation framework with search, i18n, and theming out of the box; a fast-growing Docusaurus alternative.
Where Vale fits