Otter Browser

This page was last updated at: May 5, 2026

Otter Browser is a lightweight Desktop web browser, across a variety of operating systems. It has been developed for about 12 years since launching in 2014.

Otter Browser aims to recreate the best aspects of the classic Opera (12.x) UI using Qt5.

About Otter Browser

Browser URL otter-browser.org
Tag line Controlled by the user, not vice versa
Development Status Active
The browser is actively maintained and developed
Launched 2014
Operating Systems BSD, Linux, macOS, Windows, Haiku, Misc Desktop OS
Device platform Desktop
Rendering Engine QtWebEngine
Source Code Repository
Lightweight Browser Otter Browser omits some mainstream features in order to reduce system resource & memory usage.
Wikipedia Article https://en.wikipedia.org/wiki/Otter_Browser

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