/SeaLion

Web browser for MacOS 10.7 - 14.7 and Linux.

Primary LanguageJavaScriptMozilla Public License 2.0MPL-2.0

sealion_logotype_256_alpha

A web browser for MacOS 10.7 - 14.1 & Linux.

Built upon the unified XUL platform.

What features are included

  • Tabbed Browsing
  • Comprehensive control of Preferences
  • Customizable Toolbars
  • XUL Overlay and Bootstrap Extension Support
  • SeaMonkey Theme Support
  • Supports Plug-ins
  • Supports the JXL image format
  • Supports Flash
  • Supports 'dark mode' on supported sites (set via preferences pane)
  • Ability to switch profiles
  • Multiple Search Engine Providers built in
  • Built upon a mature and secure code base
  • Privacy respecting. Doesn't 'phone home' like many 'popular' browsers do

What is not included

  • Digital Rights Management (DRM) such as Encrypted Media Extensions (EME)
  • WebRTC
  • WebExtensions
  • Developer tools (some functionality can be added back via an extension)
  • Lightweight Themes/Toolbar Backgrounds
  • Language Packs (English only)
  • MS Windows support

Available Extensions for SeaLion

  • adblock latitude - ad blocker

  • bbcodextra - adds custom tag commands to context menu

  • bluehell firewall - ad blocker

  • chatzilla - irc client

  • cookies exterminator - auto deletes cookies

  • copy as plain text - copies text w/out formatting

  • dom inspector - inspects the structure and properties of a window

  • dorando keyconfig - rebind your keys

  • download status bar - powerful download manager

  • down them all - media downloader

  • email this - adds context menu to 'email this'

  • ematrix - port of umatrix that blocks scripts, ads, etc

  • fireftp - ftp client

  • fireshot - take screen shots of web pages

  • greasemonkey - user script manager

  • hit a hint - open links with keyboard shortcuts

  • https always - encrypt the web

  • menu wizard - customize your browsers menus

  • modhresponse - rewrite http response

  • mouse gestures suite - scroll wheel navigation, page scrolling, tab scrolling

  • multiple tab handler - manage your tabs

  • nicereader - similar to readerview

  • overbiteff - enables the gopher protocol

  • page navigation buttons - adds a few buttons to help with page navigation

  • palefill - injects polyfills for various web technologies

  • pdf-js - html5 pdf reader

  • private tab - opens a private browsing tab

  • quicknote - notes extension with advanced features

  • quick passwords - quickly login and get passwords

  • seatab - adds a close button to each tab

  • secret-agent - enhances the privacy of your web surfing

  • swarth - psuedo dark mode extension

  • tab clicking options - assign tab related actions to clicking events

  • torrent tornado - torrent client

  • uBlock0rigin - ad blocker

  • user agent switcher - self explanitory

  • web developer - adds some extra easy to access functions

  • website navigation bar - reintroduces SeaMonkeys navigation bar

  • world ip - geo add-on with security features and advanced network tools

  • All the extensions listed above are found in the SeaLion-Extras.zip

Available Extra Themes for SeaLion

  • kilome
  • modern2
  • orthodox
  • pinball
  • littlemonkey
  • gnomerunner (linux only)

You can also drag your extension icons to the component bar (lower left) instead of having them on the tool bar for a cleaner look. component-bar

GnomeRunner Linux theme - Uses GTK theme style and icons gnomerunner-theme-linux

The 'default theme' even though on first start it will use Gray Modern by default SL-default-theme

PowerPC Linux build is compatible with 32-bit Debian 12 / Fienix 6 / MintPPC sealion-powerpc-about