HubPress - A free, open source tool you can use to build a blog using GitHub Pages and AsciiDoc. HubPress is a web application that makes it easy for you to maintain a blog.
GradeProof - Proofreading with Artificial Intelligence
GitHub Personal Website Generator - Generate a personal website based on GitHub contributions
Grammatica - AI powered writing assistant
Ghostly - iPhone app for Ghost blogs
Kibin - Professional Proofreading as a Service