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
Readability editor that highlights long sentences, passive voice and complex words so instructions read more simply.
Not enough info yet on drafts text with AI, 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.