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SeaMonkey 2.46

Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing made simple—all your Internet needs in one application.

The SeaMonkey® Project

The SeaMonkey project is a community effort to develop the SeaMonkey all-in-one internet application suite (see below). Such a software suite was previously made popular by Netscape and Mozilla, and the SeaMonkey project continues to develop and deliver high-quality updates to this concept. Containing an Internet browser, email & newsgroup client with an included web feed reader, HTML editor, IRC chat and web development tools, SeaMonkey is sure to appeal to advanced users, web developers and corporate users.

powered by Mozilla Under the hood, SeaMonkey uses much of the same Mozilla source code which powers such successful siblings as Firefox and Thunderbird. Legal backing is provided by the Mozilla Foundation.

Project News

July 12, 2017

Fight for Net Neutrality

The SeaMonkey project supports the battle for the net campaign. If you live in the US please do it too. But companies in other countries are also lobbying for the same goal so even if you are not a US citizen keep an eye open.

April 15, 2017

SeaMonkey 2.48 Beta 1 released

The SeaMonkey project is proud to present SeaMonkey 2.48 Beta 1: The new Beta release of the all-in-one Internet suite is available for download now! Building on the same Mozilla platform as Firefox 51, it delivers those same developments in web technologies such as HTML5, hardware acceleration and improved JavaScript speed.

SeaMonkey 2.48 Beta 1 is available in 18 languages, for Windows, Mac OS X and Linux.

This is a Beta Release. We encourage testers to get involved in discussing and reporting problems as well as further improving the product.

For a more complete list of major changes in SeaMonkey 2.48 Beta 1, see the What's New in SeaMonkey 2.48 Beta 1 section of the Release Notes, which also contains a list of known issues and answers to frequently asked questions. For a more general overview of the SeaMonkey project (and screen shots!), visit www.seamonkey-project.org.

December 22, 2016

SeaMonkey 2.46 released

The SeaMonkey project is proud to present SeaMonkey 2.46: The new major release of the all-in-one Internet suite is available for download now! Building on the same Mozilla platform as Firefox 49, it delivers those same developments in web technologies such as HTML5, hardware acceleration and improved JavaScript speed.

SeaMonkey 2.46 is available in 26 languages, for Windows, Mac OS X and Linux.

For a more complete list of major changes in SeaMonkey 2.46, see the What's New in SeaMonkey 2.46 section of the Release Notes, which also contain a list of known issues and answers to frequently asked questions. For a more general overview of the SeaMonkey project (and screen shots!), visit www.seamonkey-project.org.

March 14, 2016

SeaMonkey 2.40 released

The SeaMonkey project is proud to present SeaMonkey 2.40: The new major release of the all-in-one Internet suite is available for download now! 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.

The Release Notes feature more in-depth lists of the improvements and known issues with the new version as well as installation requirements, instructions, and answers to frequently asked questions.

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The SeaMonkey Suite

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