Thanks for using SeaMonkey. Unfortunately, your platform is no longer supported by the latest stable version of our product so we cannot offer you an upgrade unless you upgrade your operating system.

• Release Notes - The release notes describe new changes, system requirements, installation instructions, and known issues in this release - please read them carefully before using this version of SeaMonkey!

MD5 sums and SHA1 sums are available for official packages and source tarballs.

The source code is available either as a tar package or from the comm source repository, mozilla source repository and l10n source repository on GitLab.

• Source Code Tarball (xz, 239 MB) - note that it doesn't unpack a subdirectory itself, so create a directory to unpack it in.
• Source Localisation Tarball (xz, 14 MB) - note that it doesn't unpack a subdirectory itself, so create a directory to unpack it in.
• The README file explains how to pull SeaMonkey 2.53.23 from the source repository.

See the activation notes for how to install those packages.

Chinese (Simplified), Chinese (Traditional), Czech, Dutch, English (British), English (US), Finnish, French, Georgian, German, Greek, Hungarian, Italian, Japanese, Norwegian (Bokmål), Polish, Portuguese (Brazilian), Portuguese (Portugal), Russian, Slovak, Spanish (Argentina), Spanish (Spain), Swedish, Turkish,

• Release Notes - The release notes describe new changes, system requirements, installation instructions, and known issues in this release - please read them carefully before using this version of SeaMonkey!
• This preview of SeaMonkey's future is available from the SeaMonkey 2.53.22 Beta 1 download page.

Previously released versions of SeaMonkey:

• 2.53.22
• 2.53.22 Beta 1
• 2.53.21
• 2.53.21 Beta 1
• 2.53.20
• 2.53.20 Beta 1
• 2.53.19
• 2.53.19 Beta 1
• 2.53.18.2
• 2.53.18.1
• 2.53.18
• 2.53.18 Beta 1
• 2.53.17.1
• 2.53.17
• 2.53.17 Beta 1
• 2.53.16
• 2.53.16 Beta 1
• 2.53.15
• 2.53.15 Beta 1
• 2.53.14
• 2.53.14 Beta 1
• 2.53.13
• 2.53.13 Beta 1
• 2.53.12
• 2.53.12 Beta 1
• 2.53.11.1
• 2.53.11
• 2.53.11 Beta 1
• 2.53.10.2
• 2.53.10.1
• 2.53.10
• 2.53.10 Beta 1
• 2.53.9.1
• 2.53.9
• 2.53.9 Beta 1
• 2.53.8.1
• 2.53.8
• 2.53.8 Beta 1
• 2.53.7.1
• 2.53.7
• 2.53.7 Beta 1
• 2.53.6
• 2.53.6 Beta 1
• 2.53.5.1
• 2.53.5
• 2.53.5 Beta 1
• 2.53.4
• 2.53.4 Beta 1
• 2.53.3
• 2.53.3 Beta 1
• 2.53.2
• 2.53.2 Beta 1
• 2.53.1
• 2.53.1 Beta 1
• 2.49.5
• 2.49.4
• 2.49.3
• 2.49.2
• 2.49.1
• 2.48
• 2.48 Beta 1
• 2.46
• 2.40
• 2.39
• 2.39 Beta 1
• 2.38
• 2.38 Beta 1
• 2.35
• 2.33.1
• 2.33
• 2.33 Beta 1
• 2.32.1
• 2.32
• 2.32 Beta 3
• 2.32 Beta 2
• 2.32 Beta 1
• 2.31
• 2.31 Beta 2
• 2.31 Beta 1
• 2.30
• 2.30 Beta 2
• 2.30 Beta 1
• 2.29.1
• 2.29
• 2.29 Beta 2
• 2.29 Beta 1
• 2.26.1
• 2.26
• 2.26 Beta 2
• 2.26 Beta 1
• 2.25
• 2.25 Beta 3
• 2.25 Beta 2
• 2.25 Beta 1
• 2.24
• 2.24 Beta 1
• 2.23
• 2.23 Beta 2
• 2.23 Beta 1
• 2.22.1
• 2.22
• 2.22 Beta 2
• 2.22 Beta 1
• 2.21
• 2.21 Beta 2
• 2.21 Beta 1
• 2.20
• 2.20 Beta 3
• 2.20 Beta 2
• 2.20 Beta 1
• 2.19
• 2.19 Beta 2
• 2.19 Beta 1
• 2.18 Beta 4
• 2.18 Beta 3
• 2.18 Beta 2
• 2.17.1
• 2.18 Beta 1
• 2.17
• 2.17 Beta 4
• 2.17 Beta 3
• 2.17 Beta 2
• 2.16.2
• 2.16.1
• 2.17 Beta 1
• 2.16
• 2.16 Beta 5
• 2.16 Beta 4
• 2.15.2
• 2.16 Beta 3
• 2.16 Beta 2
• 2.15.1
• 2.16 Beta 1
• 2.15
• 2.15 Beta 6
• 2.15 Beta 5
• 2.15 Beta 4
• 2.15 Beta 3
• 2.15 Beta 2
• 2.14.1
• 2.15 Beta 1
• 2.14
• 2.14 Beta 5
• 2.14 Beta 4
• 2.14 Beta 3
• 2.13.2
• 2.14 Beta 2
• 2.14 Beta 1
• 2.13.1
• 2.13
• 2.13 Beta 6
• 2.13 Beta 5
• 2.13 Beta 4
• 2.13 Beta 3
• 2.12.1
• 2.13 Beta 2
• 2.13 Beta 1
• 2.12
• 2.12 Beta 6
• 2.12 Beta 5
• 2.12 Beta 4
• 2.12 Beta 3
• 2.12 Beta 2
• 2.12 Beta 1
• 2.11
• 2.11 Beta 6
• 2.11 Beta 5
• 2.11 Beta 4
• 2.11 Beta 3
• 2.10.1
• 2.11 Beta 2
• 2.11 Beta 1
• 2.10
• 2.10 Beta 3
• 2.10 Beta 2
• 2.10 Beta 1
• 2.9.1
• 2.9
• 2.9 Beta 4
• 2.9 Beta 3
• 2.9 Beta 2
• 2.9 Beta 1
• 2.8
• 2.8 Beta 6
• 2.8 Beta 5
• 2.8 Beta 4
• 2.8 Beta 3
• 2.7.2
• 2.7.1
• 2.8 Beta 2
• 2.8 Beta 1
• 2.7
• 2.7 Beta 5
• 2.7 Beta 4
• 2.7 Beta 3
• 2.7 Beta 2
• 2.7 Beta 1
• 2.6.1
• 2.6
• 2.6 Beta 4
• 2.6 Beta 3
• 2.6 Beta 2
• 2.6 Beta 1
• 2.5
• 2.5 Beta 4
• 2.5 Beta 3
• 2.5 Beta 2
• 2.5 Beta 1
• 2.4.1
• 2.4
• 2.4 Beta 3
• 2.4 Beta 2
• 2.4 Beta 1
• 2.3.3
• 2.3.2
• 2.3.1
• 2.3
• 2.3 Beta 3
• 2.3 Beta 2
• 2.3 Beta 1
• 2.2
• 2.2 Beta 3
• 2.2 Beta 2
• 2.2 Beta 1
• 2.1
• 2.1 RC 2
• 2.1 RC 1
• 2.1 Beta 3
• 2.1 Beta 2
• 2.1 Beta 1
• 2.1 Alpha 3
• 2.1 Alpha 2
• 2.1 Alpha 1
• 2.0.14
• 2.0.13
• 2.0.12
• 2.0.11
• 2.0.10
• 2.0.9
• 2.0.8
• 2.0.7
• 2.0.6
• 2.0.5
• 2.0.4
• 2.0.3
• 2.0.2
• 2.0.1
• 2.0
• 2.0 RC 2
• 2.0 RC 1
• 2.0 Beta 2
• 2.0 Beta 1
• 2.0 Alpha 3
• 2.0 Alpha 2
• 2.0 Alpha 1
• 1.1.19
• 1.1.18
• 1.1.17
• 1.1.16
• 1.1.15
• 1.1.14
• 1.1.13
• 1.1.12
• 1.1.11
• 1.1.10
• 1.1.9
• 1.1.8
• 1.1.7
• 1.1.6
• 1.1.5
• 1.1.4
• 1.1.3
• 1.1.2
• 1.1.1
• 1.1
• 1.1 Beta
• 1.1 Alpha
• 1.0.9
• 1.0.8
• 1.0.7
• 1.0.6
• 1.0.5
• 1.0.4
• 1.0.3
• 1.0.2
• 1.0.1
• 1.0
• 1.0 Beta
• 1.0 Alpha