SeaMonkey 1.0

Released January 30, 2006

Warning! The SeaMonkey version available for download from this page is outdated and suffers from known security vulnerabilities. This page is only available for historic reference.
We strongly advise you to download the current release instead.
  • Release Notes - The release notes contain installation instructions, system requirements, what's new, and a list of known issues that you should read before reporting bugs.
  • Source Code Tarball (bzip, 32 MB) (gzip, 40 MB).
  • This README file explains how to pull SeaMonkey 1.0 from CVS.

Official builds

If you don't know which package is best for you, use the first package listed in the section about your operating system (platform).
MD5 sums are available for official packages and source tarballs.

Windows (32bit)
Full Installer (12 MB) Download all of the SeaMonkey components and then specify install options.
Net Installer (247 KB) Download only the components you specify.
Zipfile (10 MB).
Mac OS X
Disk Image (13 MB) Self-mounting disk image containing the full SeaMonkey application suite.
Linux (x86)
Full Installer (13 MB) Download all of the SeaMonkey components and then specify install options.
Net Installer (89 KB) Download only the components you specify.
tar.gz format (13 MB).
GTK1 Full Installer (13 MB) Download all of the SeaMonkey components and then specify install options.
GTK1 tar.gz format (13 MB).

Contributed builds

These are unofficial builds and may be configured differently than the official SeaMonkey builds.

Linux/x86_64:
Linux/x86_64 Installer, Linux/x86_64 .tar.gz (readme)

Linux/Fedora RPMs:
Linux/Fedora RPMs (FTP directory), (readme)

OS/2:
OS/2 Installer, OS/2 zip (readme) (MD5 sums)

Solaris 2.8 (SPARC) - GTK1:
Solaris 2.8 (SPARC) GTK1 .tar.bz2 (readme)

Solaris 2.9 (SPARC) - GTK2:
Solaris 2.9 (SPARC) Installer, Solaris 2.9 (SPARC) .tar.bz2 (readme)

Localized builds

These builds are contributed by the volunteers of the MLP, see our wiki for the localization team list.


This software is subject to the U.S. Export Administration Regulations and other U.S. law, and may not be exported or re-exported to certain countries (currently Cuba, Iran, Libya, North Korea, Sudan and Syria) or to persons or entities prohibited from receiving U.S. exports (including those (a) on the Bureau of Industry and Security Denied Parties List or Entity List, (b) on the Office of Foreign Assets Control list of Specially Designated Nationals and Blocked Persons, and (c) involved with missile technology or nuclear, chemical or biological weapons).