Mermaid vs Simple Outliner

Mermaid

Development

Mermaid is an open-source tool that allows you to create diagrams and visualizations using text and code. It is designed to integrate with documentation sites and wikis to add charts and graphs through a simple markdown-inspired script language. The key benefit is the ability to generate complex diagrams that are portable, themeable, and easy to edit programmatically.

Simple Outliner

Office & Productivity

Simple Outliner is a free, open-source outlining software for Windows. It provides a basic interface for creating and organizing outlines with headings, sub-headings and notes. Useful for planning documents, drafting ideas, to-do lists, and more.