CodiMD is an open-source real-time collaborative Markdown editor. You can easily deploy CodiMD with Docker following this tutorial. CodiMD supports CommonMark and other markup syntax, such as:
- MathJax for formulas
- Mermaid and Graphviz for UML diagrams
- Vega-lite for data visualizations
CodiMD is the open-source version of HackMD.
CodiMD Markdown Support
CodiMD provides support for the following Markdown elements.
| Element | Support | Notes |
|---|---|---|
| Headings | Yes | |
| Paragraphs | Yes | |
| Line Breaks | Yes | |
| Bold | Yes | |
| Italic | Yes | |
| Blockquotes | Yes | |
| Ordered Lists | Yes | |
| Unordered Lists | Yes | |
| Code | Yes | |
| Horizontal Rules | Yes | |
| Links | Yes | |
| Images | Yes | |
| Tables | Yes | |
| Fenced Code Blocks | Yes | |
| Syntax Highlighting | Yes | |
| Footnotes | Yes | |
| Heading IDs | No | |
| Definition Lists | Yes | |
| Strikethrough | Yes | |
| Task Lists | Yes | |
| Emoji (copy and paste) | Yes | |
| Emoji (shortcodes) | Yes | |
| Highlight | No | |
| Subscript | No | |
| Superscript | No | |
| Automatic URL Linking | Yes | |
| Disabling Automatic URL Linking | No | |
| HTML | Yes |