opera

Install command: 
brew install --cask opera

Name: Opera

Web browser

https://www.opera.com/

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

Cask code on GitHub

Current version: 73.0.3856.344

Analytics:

Installs (30 days)
opera 829
Installs (90 days)
opera 3,054
Installs (365 days)
opera 13,016
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