SeaMonkey Download & Releases
Main Downloads
SeaMonkey 2.40- Windows, English (30 MB)
- Linux GTK2, English (38 MB)
- Mac OS X, English (60 MB)
- Find further downloads below
SeaMonkey 2.40
Released March 10, 2016
- 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!
Official builds
MD5 sums and SHA1 sums are available for official packages and source tarballs.
| Language | Version | Windows | Mac OS X | Linux | |
|---|---|---|---|---|---|
| Belarusian | Беларуская | 2.40 | Download | Download | Download |
| Catalan | català | 2.40 | Download | Download | Download |
| Chinese (Simplified) | 中文 (简体) | 2.40 | Download | Download | Download |
| Chinese (Traditional) | 正體中文 (繁體) | 2.40 | Download | Download | Download |
| Czech | Čeština | 2.40 | Download | Download | Download |
| Dutch | Nederlands | 2.40 | Download | Download | Download |
| English (US) | English (US) | 2.40 | Download | Download | Download |
| English (British) | English (British) | 2.40 | Download | Download | Download |
| Finnish | suomi | 2.40 | Download | Download | Download |
| French | Français | 2.40 | Download | Download | Download |
| Galician | Galego | 2.40 | Download | Download | Download |
| German | Deutsch | 2.40 | Download | Download | Download |
| Hungarian | Magyar | 2.40 | Download | Download | Download |
| Italian | Italiano | 2.40 | Download | Download | Download |
| Japanese | 日本語 | 2.40 | Download | Download | Download |
| Lithuanian | lietuvių kalba | 2.40 | Download | Download | Download |
| Norwegian (Bokmål) | Norsk bokmål | 2.40 | Download | Download | Download |
| Polish | Polski | 2.40 | Download | Download | Download |
| Portuguese (Portugal) | Português (Europeu) | 2.40 | Download | Download | Download |
| Russian | Русский | 2.40 | Download | Download | Download |
| Slovak | slovenčina | 2.40 | Download | Download | Download |
| Spanish (Argentina) | Español (de Argentina) | 2.40 | Download | Download | Download |
| Spanish (Spain) | Español (de España) | 2.40 | Download | Download | Download |
| Swedish | Svenska | 2.40 | Download | Download | Download |
| Turkish | Türkçe | 2.40 | Download | Download | Download |
| Ukrainian | Українська | 2.40 | Download | Download | Download |
Source code
The source code is available either as a tar package or from the source repository.
- Source Code Tarball (xz, 168 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 2.40 from the source repository.
Language Packs
See the activation notes for how to install those packages.
Belarusian, Catalan, Chinese (Simplified), Chinese (Traditional), Czech, Dutch, English (British), Finnish, French, Galician, German, Hungarian, Italian, Japanese, Lithuanian, Norwegian (Bokmål), Polish, Portuguese (Portugal), Russian, Slovak, Spanish (Argentina), Spanish (Spain), Swedish, Turkish, Ukrainian
Contributed builds (other platforms)
These are unofficial builds and may be configured differently than the official SeaMonkey builds. Please read their "readme" files for further information.
- Linux/x86_64
- Linux/x86_64 .tar.bz2 (readme) (MD5 sum) (SHA1 sum)
Old and Unofficial Releases
The SeaMonkey Project only supports the latest stable version of SeaMonkey.
The below versions are only listed for historical reasons.
For some legacy platforms like PPC Mac, the SeaMonkey Project has dropped
support. There are however independent projects that continue to support
some of these platforms. To learn more, see Latest Releases
for Legacy Platforms.
Previously released versions of SeaMonkey:
- 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