sparkle

Install command: 
brew install --cask sparkle

Name: Sparkle

Software update framework for Cocoa developers

https://sparkle-project.org/

/api/cask/sparkle.json (JSON API)

Cask code on GitHub

Current version: 2.6.4

Analytics:

Installs (30 days)
sparkle 51
Installs (90 days)
sparkle 137
Installs (365 days)
sparkle 502
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