GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
Sheet 2 Site - Generate a website from 📗 Google Sheets
MkDocs - Project documentation with Markdown.
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
Archivy - A self-hosted knowledge repository that allows you to safely preserve useful content that contributes to your own personal, searchable and extensible wiki.
Payable - Easily manage and pay your contractors