Thumbnail Zoom Plus Alternatives

The extension is intended to complement image features that (I think) is missing from Opera by...

Enlarge thumbnails on mouse over.

Browse more efficiently: Preview links and images without leaving your current tab.

This extension shows a popup with an image preview when hovering over link that points to an image file or a page with an image.

Shows larger version of thumbnails when moving mouse cursor over thumbnail.

Help find larger or original versions of images, including a customizable image popup feature

open-source

Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based conference room solution.

freemium $14.99 / Monthly (Pro - Great for Small Teams)

Browse reddit without your boss knowing

SnoopSnoo provides reddit user and subreddits analytics.

Shaarli is a minimalist link sharing software you can install on your own website

The official app for Android & iOS. Meow.

Preview any link in a pop-up frame without leaving current page (instead of opening a new tab), eliminating the need to go back and forth to navigate to other links.