Vale
Open-source prose linter that checks docs against style rules you define, often run in code editors and CI pipelines.
- Free plan or free tier
- Can be self-hosted
Writing assistant for grammar, clarity and tone that works across browsers, desktop apps and office tools.
Not enough info yet on developer API, can be self-hosted. Check the tool's own site.
Listing written by SnappyGuides, checked 2026-11-04. Report a correction or request removal. Back to technical writing checks.