mail-client
mail-client / claws-mail : An email client (and news reader) based on GTK+
- Notification for new mail in different way, see also USE flags libcanberra, libindicate and libnotify
mate-base
mate-base / mate : Meta ebuild for MATE, a traditional desktop environment
- Force notification daemon to default to MATE's notification daemon. Enabled by default. Disable if it causes conflicts with other installed desktop environments.
net-im
net-im / qtox : Most feature-rich GUI for net-libs/tox using Qt5
- Adds support for GTK Status Notifier tray backends
net-im / toxic : A curses-based client for Tox
- Enables desktop notifications with libnotify, with sound support.
net-misc
net-misc / eventd : A small daemon to act on remote or local events
- Enable plugin to display on-screen notifications