GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
Cloudflare DNS - Install the free app that makes your phone’s Internet more fast, private, and reliable.
MkDocs - Project documentation with Markdown.
Amazon Route 53 - Amazon Route 53 is a highly available and scalable DNS web service.
Docusaurus - Easy to maintain open source documentation websites
Google Cloud DNS - Reliable, resilient, low-latency DNS serving from Google’s worldwide network of Anycast DNS servers.