GradeProof - Proofreading with Artificial Intelligence
TheRightMargin - TheRightMargin is a smart writing tool.
Nurtz - Proofreading concierge in your Slack
Analyze My Writing - Analyze My Writing is an online text content and readability analyzer.
Proofree - Free proof-reading by humans.
Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.