netnewswire

Install command: 
brew install --cask netnewswire

Name: NetNewsWire

Free and open-source RSS reader

https://netnewswire.com/

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

Cask code on GitHub

Current version: 6.1

Requires: macOS >= 10.15

Conflicts with casks:

homebrew/cask-versions/netnewswire-beta

Analytics:

Installs (30 days)
netnewswire 231
Installs (90 days)
netnewswire 736
Installs (365 days)
netnewswire 3,007
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