OtterBrowser/otter-browser
Otter Browser aims to recreate the best aspects of the classic Opera (12.x) UI using Qt5 observed · 2026-08-28
Health v2 · maintenance only
67/100
- Activity 99
- Release rhythm 8
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4838
- days_rel: n/a
- days_push: 8
- n_releases_24m: 0
Adoption not part of the score
1983 stars · 283 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
Otter Browser is a free, open-source desktop web browser written in C++ with Qt5 that recreates the classic Opera 12.x user interface and its power-user features. It is released under GPL v3 and runs on Linux, BSD, Windows, and macOS.
Use cases
- browse the web with a classic Opera 12-style interface
- use a lightweight browser with power-user features like custom toolbars and keyboard shortcuts
- replace Opera after its UI redesign
- run a cross-platform browser on Linux, BSD, Windows, or macOS
- use a browser with advanced session and tab management
When to choose
- you miss the classic Opera 12 UI and workflow
- you want a fast, lightweight, user-controlled browser
- you need a GPL-licensed browser you can compile and modify
- you want deep customization of toolbars, shortcuts, and sessions
When to avoid
- you need a mainstream browser with wide extension ecosystem support
- you want a modern minimalist browser UI
- you need mobile support
- you require cutting-edge web standards support from Chromium/Firefox
Facets
application · maturity active
gui web-development cross-platform privacy windows bsd cross-platform web-browser qt5 opera-12 qtwebkit qtwebengine power-user-features linux macos
1 source
- readme: https://github.com/OtterBrowser/otter-browser · fetched 2026-08-28 · 09d32de3d73d
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| OtterBrowser/otter-browser | main | 67 |
For agents
markdown · JSON · MCP: product_card(name="OtterBrowser/otter-browser")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem