SeaMonkey is a complete internet suite with web browser, email & newsgroup client with an included web feed reader, easy HTML editor, IRC chat and web development tools. The browser supports fine-grained controls over images, cookies and more on a per-site basis. Based on Netscape Communicator and then Mozilla Suite, this software bundle includes many technologies used in Mozilla Firefox and Thunderbird and supports many of their add-ons.
SeaMonkey, Portable Edition is a version of the software from PortableApps.com and works automatically with web-based Java apps if their jPortable tool is present.