# Introduction to HackMD [HackMD](https://hackmd.io/s/features) is a realtime collaborative note editor. It uses markdown syntax. The basics include plain text, *italic* or **bold** text, ## headers ### of different levels, 1. numbered 2. lists, 1. numbered 2. sublists, - unorderethed - lists, - unordered, - sublists and [links.](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet) ### *These* can 1. be ***combined*** - in [**many**](https://hackmd.io/vZBi_mgVRrqFZRPIKFctAA) ways.