About CodeMirror
CodeMirror is a JavaScript component that provides a code editor in the browser.
How many people use CodeMirror
GitHub · npm- #1Summernote12k
- #2
CodeMirror7.8k
- #3
Web Stories for WordPress799
- #4
AsciiDoc217
#2 of 4 Editors we have counts for (of 20) · bars are GitHub stars across these neighbours; the category leader is Summernote at 12k · as of September 7, 2026
Compare
#2 of 4 Editors
#1 of 4 Editors
The two numbers disagree - one leads on stars, the other on installs. Stars measure attention, downloads measure use.
Audit any site that runs CodeMirror.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.
How we audit CodeMirror
We measure the detected version against CodeMirror's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksMore technologies in Editors
View all →Technology definitions from a community-maintained catalogue, licensed GPL-3.0. Attribution and source.