Privacy policies for apps and extensions in the Chrome Web Store in accordance with the Developer Program Policies.
The Chrome extension smart-pass will
if the user invokes the extension’s browser action.
The Chrome app smart-ssh will share user data (public keys and signatures of authentication challenges derived from private keys) only over SSH connections established by the user.
The Chrome app ICS to GCal will
The parsing happens locally in your browser using ical.js. Data is only transferred via HTTPS connections and only as required by the Google Calendar API.