Firefox
Firefox is a popular, open-source web browser.
Installation
To install Firefox, firstly enable the Community repository, then type in the terminal:
For the Extended Support Release (ESR) (firefox-esr):
# apk add firefox-esr
For the current release (firefox):
# apk add firefox
Stability
If tabs crash, then try disabling hardware acceleration, in the Preferences - Performance menu.
Notifications
For Firefox to use native notifications (e.g.: via a notification daemon) the libnotify package is required.