Red Pen
OPEN SOURCE
Proofreading tool for English prose.
About
Red Pen is a proofreading tool for English prose that helps developers maintain consistent code style across their projects.
Pricing
Pricing Type
Open Source
Free tier available
Billing
Custom pricing
Last checked: February 21, 2026
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Key Facts
Categories
Platforms
Web
Company
Red Pen
Founded
Founded in 2014
Country
Global
Language
English