P
ProseMirror
prosemirror.net
Toolkit for building schema-based rich-text editors on the web, with collaborative editing support.
C
CodeMirror by Marijn Haverbeke
Extensible code editor component for the browser, rewritten as modular CodeMirror 6 in 2022.
Visit CodeMirror ↗About CodeMirror
Extensible code editor component for the browser, rewritten as modular CodeMirror 6 in 2022. CodeMirror is a developer tools product built by indie maker Marijn Haverbeke, launched in 2007.
- Status
- Active
- Launched
- 2007
- Category
- Developer Tools
- Website
- codemirror.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.
CodeMirror FAQ
What is CodeMirror?
CodeMirror is a developer tools product: Extensible code editor component for the browser, rewritten as modular CodeMirror 6 in 2022.
Who made CodeMirror?
CodeMirror was made by Marijn Haverbeke, Creator of CodeMirror, ProseMirror and Acorn; author of Eloquent JavaScript. It launched in 2007. Marijn Haverbeke has also built ProseMirror, Eloquent JavaScript, Acorn, Lezer.
Is CodeMirror still active?
Yes. As far as IndieMakerList knows, CodeMirror is still active and run by Marijn Haverbeke at codemirror.net.
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