since

Install command: 
brew install since

Stateful tail: show changes to files since last check

http://welz.org.za/projects/since

License: GPL-3.0-or-later

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

Formula code: since.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 tahoe ✅
sequoia ✅
sonoma ✅
ventura ✅
monterey ✅
big sur ✅
macOS on
Intel		 sonoma ✅
ventura ✅
monterey ✅
big sur ✅
catalina ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 1.1

Analytics:

Installs (30 days)
since 2
Installs on Request (30 days)
since 2
Build Errors (30 days)
since 0
Installs (90 days)
since 4
Installs on Request (90 days)
since 4
Installs (365 days)
since 10
Installs on Request (365 days)
since 10