MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
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.
TiddlyWiki - a non-linear personal web notebook
Telegra.ph - Post articles online without an account at Telegram's anonymous publishing platform.
Confluence - Confluence is content collaboration software that changes how modern teams work
Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.