https://zulip.com/help/desktop-notifications
Desktop notifications | Zulip help center
Zulip can be configured to send visual and audible desktop notifications for DMs, mentions, and alerts, as well as channel messages and followed topics.
notifications zulip help
https://zulip.com/help/channel-notifications
Channel notifications | Zulip help center
You can configure desktop, mobile, and email notifications on a channel by channel basis.
notifications zulip help