deltachat

Install command: 
brew install --cask deltachat

Name: DeltaChat

Chat via the e-mail server network

https://delta.chat/

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

Cask code on GitHub

Current version: 1.26.0

Analytics:

Installs (30 days)
deltachat 22
Installs (90 days)
deltachat 52
Installs (365 days)
deltachat 248
Fork me on GitHub