Rated 5 out of 5 stars

A staple add-on for old-time Opera users.
Although not particularly user-friendly, it has a lot of options for power users and surpasses the original.

Here's a more Opera-ish theme for it as well:
https://userstyles.org/styles/97353/style-for-speed-dial

This review is for a previous version of the add-on (0.9.6.17.1-signed).