We've found 35 companies using Jenkins among the 760,928 we've scanned so far. We only count a company when a direct public record backs it up.
What are the alternatives to Jenkins?
The most used alternatives in the same category are Atlassian (63,198 companies), Cursor (5,957 companies), TeamViewer (4,236 companies) and Docker (2,917 companies).
How does runsonwhat know a company uses Jenkins?
We read public traces only (DNS, certificates, website code and legal pages), and every match keeps the record it came from.