Rich Text Explorer
An interactive showcase of open-source rich text editing libraries, markdown processing pipelines, and theming systems.
Highlights
Recommended CodeMirror 6
Obsidian-style live preview with decorations, mode toggle, custom extensions
Best DX Tiptap
Rich text editing with toolbar, markdown shortcuts, JSON/HTML/Markdown output views
New Collaboration
Yjs CRDT demo — two editors sharing state in real-time
New Import/Export
Markdown ↔ HTML round-trip conversion with fidelity analysis
New Templates
Handlebars variable substitution in markdown with live rendering
Fixed Milkdown
Live WYSIWYG markdown editor (ProseMirror + remark) with markdown output
Markdown
Rich Text Editors
Processing
Collaboration
Templates
Theming
Comparison
What Is This?
Live, interactive demos of every major rich text and markdown editing approach. Each page includes a working demo, code snippets, and an assessment of strengths and weaknesses.
Architecture Overview
Editors CodeMirror · ProseMirror · Tiptap · Milkdown · Editor.js
↓ produce / consume
Formats Markdown · HTML · JSON · AST
↓ processed by
Pipeline unified · remark · rehype · Handlebars
↓ rendered with
Presentation CSS Variables · Themes · SvelteKit