SeaLion

Browser built on the UXP platform for Intel Macs running OS X 10.7 to macOS 14 and for Linux (including 32-bit PowerPC), with XUL extensions and SeaMonkey themes.

Facts

Developer

wicknix

Website

github.com

Engine

Goanna

Derived from

UXP (Pale Moon)

Platforms

macOSLinux

Details

OS X 10.7 to macOS 14.8; 32-bit PowerPC Linux

Popularity

20/100 — 60 GitHub stars (×3), ≈9k release downloads across 16 versions

Key versions

1. Apr. 21, 2023
   32.1.1First release published on GitHub.[1]
2. Jan. 28, 2024
   33.0.0New major version.[2]
3. Mar. 14, 2026
   34.1.0New major version. Also the latest one.[3]

Version sources: [1] wicknix/SeaLion (GitHub), [2] wicknix/SeaLion (GitHub), [3] wicknix/SeaLion (GitHub) · 16 releases published · Full history → · Milestones taken automatically from the releases published on GitHub.

Sources

1. https://github.com/wicknix/SeaLion
2. https://forums.macrumors.com/threads/sealion-web-browser-for-10-7-12-6.2386997/