Markdown

Markdown is is a way of writing plain text (without formatting), so that it can be converted to rich text (with links, bullet points, headers. bolds, italics, etc). This is the exact same editing syntax used for Mattermost, SpaceTime and Loomio, so it's a case of "buy one, get *two* for free"! The first two links come from Loomio themselves:

• Basic Loomio markdown Tutorial
• More "narrative" Markdown tutorial by Rich Bartlett
• Easy Interactive Markdown Tutorial
• Learn The Basics Of Markdown in 10 Minutes With This Video Tutorial
• Full Markdown syntax
• Extended Markdown syntax
• Online Markdown editor
• Full Markdown syntax
• The Ultimate Markdown Guide (Or so the author says!)
• Markdown syntax cheatsheet in PDF (includes Github-flavored Markdown)