SeaMonkey 2.53.4 Stable

All-in-one Internet Web-browser Suite


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DOWNLOAD SeaMonkey Web-browserMozilla SeaMonkey is an all-in-one internet application suite. It has tabbed web-browser, advanced e-mail, and newsgroup client, IRC chat client, and HTML editor made simple. All your Internet needs to be contained in one application.

Mozilla SeaMonkey is sure to appeal to advanced users, web developers, and corporate users. Because it contains an Internet browser, email, and newsgroup client with an included web feed reader, HTML editor, IRC chat, and web development tools.

Powered by Mozilla Under the hood, SeaMonkey uses much of the same Mozilla source code which powers such successful siblings as Firefox and Thunderbird.

Building on the same Mozilla platform as the newest Firefox release, it delivers the latest developments in web technologies. Such as HTML5, hardware acceleration, and improved JavaScript speed.

SeaMonkey has inherited the successful all-in-one concept of the original Netscape Communicator. And now continues that product line based on the modern, cross-platform architecture provided by the Mozilla project.

Mozilla SeaMonkey Features:

  • The Internet browser at the core of the SeaMonkey suite uses the same rendering engine and application platform as its sibling Mozilla Firefox. Also, it has popular features like tabbed browsing, feed detection, popup blocking, smart location bar.
  • The Mail and Newsgroups client shares lots of code with Mozilla Thunderbird. It includes features adaptive Junk mail filtering, tags, and mail views, web feeds reading, tabbed messaging, multiple accounts, S/MIME. Also, there are address books with LDAP support and is ready for both private and corporate use.
  • Additional components include an easy-to-use HTML Editor, the ChatZilla IRC chat application, and web development tools like a DOM Inspector and a JavaScript debugger.
  • In addition, you can extend SeaMonkey with numerous Add-Ons that provide additional functionality and customization for a complete Internet experience.

Mozilla SeaMonkey 2.53.4 Release Notes:

  • Upgraded NSS to 3.53.1
  • Updated to Unicode 11 for SpiderMonkey
  • Updated bundled Twemoji Mozilla font to v0.5.1 to support newer emoji
  • Updated how photos are handled in the address book
  • Removed outdated RSS feed handlers
  • Fix initialization of TodayPane mini-day, to show the right day
  • Fixed sizing issue of HTML mail question (askSendFormat) dialog
  • Update of help page content and links.
  • Various security and general platform fixes.

System Requirements:

Windows Operating Systems

  • Windows XP Service Pack 2
  • Windows Vista
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10

Minimum Hardware

Windows needs a CPU supporting the SSE2 instruction set.

  • Pentium 4 1.5GHz (Recommended: Intel Core 2 Duo 1.8GHz or greater)
  • 1 GB RAM
  • 500 MB of free hard drive space

Mac Operating Systems

  • Mac OS X 10.9 or higher

Minimum Hardware

  • Macintosh computer with an Intel processor
  • 500 MB of free hard drive space

Linux Software Requirements

Please note that Linux distributors may provide packages for your distribution which have different requirements.

  • The following library versions (or compatible) are required:
    • GTK+ 3.4 or higher
    • GLib 2.22 or higher
    • Pango 1.14 or higher
    • X.Org 1.0 or higher (Recommended: 1.7 or higher)
    • libstdc++ 4.6.1 or higher
  • Recommended for optimal functionality:
    • NetworkManager 0.7 or higher
    • DBus 1.0 or higher
    • GNOME 2.16 or higher

Minimum Hardware

  • Pentium 2 800MHz (Recommended: Intel Core 2 Duo 1.8GHz or greater)
  • 1 GB RAM
  • 500 MB of free hard drive space

Size: 34.7 MB

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