Download Now SeaMonkey 2. 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. Under the hood, SeaMonkey uses much of the same source code which powers such successful siblings as Firefox and Thunderbird. Legal backing is provided by the. July 27, 2018 SeaMonkey 2. Building on the same Mozilla platform as Firefox 52. Automatic upgrades from previous versions are, for most configurations, disabled for this release. If you need to upgrade from an earlier version, please download the full installer from the downloads section and install SeaMonkey 2. For a more complete list of major changes in SeaMonkey 2. For a more general overview of the SeaMonkey project and! May 4, 2018 SeaMonkey 2. Building on the same Mozilla platform as Firefox 52. For a more complete list of major changes in SeaMonkey 2. For a more general overview of the SeaMonkey project and! February 15, 2018 SeaMonkey 2. Building on the same Mozilla platform as Firefox 52. For a more complete list of major changes in SeaMonkey 2. For a more general overview of the SeaMonkey project and! November 6, 2017 SeaMonkey 2. Unfortunately we are still unable to enable updates for most configurations. If you are not prompted for an update please download the full installer from. November 4, 2017 SeaMonkey 2. Building on the same Mozilla platform as Firefox 52. For a more complete list of major changes in SeaMonkey 2. For a more general overview of the SeaMonkey project and! August 13, 2017 Download problems with NoScript active If you are using NoScript you might encounter a certificate error when trying to download SeaMonkey from this site. NoScript tries to force an https connection for an http only site. It is not a NoScript problem but how the Mozilla server, from which downloads are delivered, is configured. In this case please add download. July 31, 2017 SeaMonkey 2. 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. Automatic upgrades from previous versions are, for most configurations, disabled for this release. If you need to upgrade from an earlier version, please download the full installer from the downloads section and install SeaMonkey 2. For a more complete list of major changes in SeaMonkey 2. For a more general overview of the SeaMonkey project and! July 12, 2017 Fight for Net Neutrality The SeaMonkey project supports the 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. 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. This is a Beta Release. We encourage testers to in discussing and reporting problems as well as further improving the product. For a more complete list of major changes in SeaMonkey 2. For a more general overview of the SeaMonkey project and! December 22, 2016 SeaMonkey 2. 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. For a more complete list of major changes in SeaMonkey 2. For a more general overview of the SeaMonkey project and! March 14, 2016 SeaMonkey 2. 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 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. 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.