psi (deprecated)

Disable date: 2026-09-01

Install command: 
brew install --cask psi

Name: Psi

Instant messaging application designed for the XMPP network

https://psi-im.org/

Cask JSON API: /api/cask/psi.json

Cask code: psi.rb on GitHub

Current version: 1.4

Requirements: macOS >= 10.11

psi is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
psi 11
Installs (90 days)
psi 37
Installs (365 days)
psi 165