C
CodeMirror
codemirror.net
Extensible code editor component for the browser, rewritten as modular CodeMirror 6 in 2022.
P
ProseMirror by Marijn Haverbeke
Toolkit for building schema-based rich-text editors on the web, with collaborative editing support.
Visit ProseMirror ↗About ProseMirror
Toolkit for building schema-based rich-text editors on the web, with collaborative editing support. ProseMirror is a developer tools product built by indie maker Marijn Haverbeke, launched in 2015.
- Status
- Active
- Launched
- 2015
- Category
- Developer Tools
- Website
- prosemirror.net
More products by Marijn Haverbeke
E
Eloquent JavaScript
eloquentjavascript.net
Free online JavaScript textbook, published in print by No Starch Press and now in its fourth edition.
Acorn
github.com
Small, fast JavaScript parser written in JavaScript and used across the build-tool ecosystem.
L
Lezer
lezer.codemirror.net
Incremental LR parser system that powers syntax highlighting and analysis in CodeMirror 6.
W
Wordgard
wordgard.net
Semantic rich-text editor library released in 2026, built on lessons from ProseMirror.
Crowdfunded JavaScript code-analysis engine that provided editor autocompletion and type inference.
ProseMirror FAQ
What is ProseMirror?
ProseMirror is a developer tools product: Toolkit for building schema-based rich-text editors on the web, with collaborative editing support.
Who made ProseMirror?
ProseMirror was made by Marijn Haverbeke, Creator of CodeMirror, ProseMirror and Acorn; author of Eloquent JavaScript. It launched in 2015. Marijn Haverbeke has also built CodeMirror, Eloquent JavaScript, Acorn, Lezer.
Is ProseMirror still active?
Yes. As far as IndieMakerList knows, ProseMirror is still active and run by Marijn Haverbeke at prosemirror.net.
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