cosign

Install command: 
brew install cosign

Container Signing

https://github.com/sigstore/cosign

License: Apache-2.0

Development: Pull requests

Formula JSON API: /api/formula/cosign.json

Formula code: cosign.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 golden gate ✅
tahoe ✅
sequoia ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 3.1.4
head ⚡️ HEAD

Depends on when building from source:

go 1.27.3 Open source programming language to build simple/reliable/efficient software

Binaries: cosign

GitHub Packages downloads:

Last 30 days26,909
Downloads439,166
Analytics install events (30 days)4,953
Downloads / install events (30 days)5.4×

Source: GitHub Packages, fetched 2026-10-31T09:46:54Z. Analytics dates: 2026-10-01 to 2026-10-31. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.

Analytics:

30 days90 days365 days
Installs4,95010,44652,770
Installs (--HEAD)31248
Installs on Request4,82610,31752,626
Installs on Request (--HEAD)31248
Build Errors5