SeaMonkey

SeaMonkey is a free and open-source Internet suite.[5] It is the continuation of the former Mozilla Application Suite, based on the same source code,[6] which itself grew out of Netscape Communicator and formed the base of Netscape 6 and Netscape 7.[7]

For other uses, see Seamonkey (disambiguation).

SeaMonkey
SeaMonkey Navigator 2.53.5
Developer(s)SeaMonkey Council
Initial releaseJanuary 30, 2006 (2006-01-30)
Stable release(s) [±]
2.53.6 (January 22, 2021 (2021-01-22)[1]) [±]
Preview release(s) [±]
2.53.6b1 (December 28, 2020 (2020-12-28)[2]) [±]
Repository
Written inC++, XUL, XBL, JavaScript
Operating systemWindows, macOS, Linux
PlatformGecko
Available in26 languages[3]
List of languages
Belarusian, Catalan, Chinese (Simplified), Chinese (Traditional), Czech, Dutch, English (US), English (British), Finnish, French, Galician, German, Hungarian, Italian, Japanese, Lithuanian, Norwegian (Bokmål), Polish, Portuguese (Portugal), Russian, Slovak, Spanish (Argentina), Spanish (Spain), Swedish, Turkish, Ukrainian
TypeInternet suite
LicenseMPL/GPL/LGPL[4]
Websitewww.seamonkey-project.org

SeaMonkey was created in 2005 after the Mozilla Foundation decided to focus on the standalone projects Firefox and Thunderbird. The development of SeaMonkey is community-driven, in contrast to the Mozilla Application Suite, which until its last released version (1.7.13) was governed by the Mozilla Foundation. The new project-leading group is called the SeaMonkey Council.[5]

Compared to Firefox, the SeaMonkey web browser keeps the more traditional-looking interface of Netscape and the Mozilla Application Suite, notably the XUL architecture. This allows the user to extend SeaMonkey by modifying add-ons for Thunderbird or the add-ons that were formerly compatible with Firefox before the latter switched to WebExtensions.[8][9]

Components
Address book in SeaMonkey Mail 1.1.16

SeaMonkey consists of a web browser, which is a descendant of the Netscape family, an e-mail and news client program (SeaMonkey Mail & Newsgroups, which shares code with Mozilla Thunderbird), and an HTML editor (SeaMonkey Composer)). The software suite supports skins. It comes with two skins in the default installation, Modern and Classic.[10] Recent versions do not include the IRC client (ChatZilla), but it can be installed as an extension.[11]

Mail
SeaMonkey Mail & Newsgroups 2.53.5

SeaMonkey Mail is a traditional e-mail client that includes support for multiple accounts, junk mail detection, message filters, HTML message support, and address books, among other features.[12] It shares code with Mozilla Thunderbird; both Thunderbird and SeaMonkey are built from Mozilla's comm-central source tree.[13]

Composer
SeaMonkey Composer 2.53.5

SeaMonkey Composer is a WYSIWYG HTML editor descended from Mozilla Composer. Its main user interface features four tabs: Normal (WYSIWYG), HTML tags, HTML code, and browser preview. The generated code is HTML 4.01 Transitional.[14] SeaMonkey Composer is no longer actively maintained, but the underlying editor code is shared with the Mail component.[15]

Portability

The SeaMonkey project releases official builds for Linux, macOS, and Windows.[3]

Naming

To avoid confusing organizations that still want to use the original Mozilla Application Suite, the new product needed a new name. After initial speculation by members of the community, a July 2, 2005 announcement confirmed that SeaMonkey would officially become the name of the Internet suite superseding the Mozilla Application Suite.

"Seamonkey" (with a lowercase "m") refers to brine shrimp and had been used by Netscape and the Mozilla Foundation as a code name for the never-released "Netscape Communicator 5" and later the Mozilla Application Suite itself. Originally, the name "Seamonkey" was derived by Netscape management to replace "Buttmonkey", which their developers had chosen following an internal contest for the codename.[16]

The SeaMonkey Council has now trademarked the name with help from the Mozilla Foundation.[17] The project uses a separate numbering scheme, with the first release being called SeaMonkey 1.0. Despite having a different name and version number, SeaMonkey 1.0 is based on the same code as Mozilla Application Suite 1.7.

For trademark and copyright reasons,[18] Debian rebranded SeaMonkey and distributed it as Iceape until 2013.

History
SeaMonkey Navigator 1.0.2

On March 10, 2005, the Mozilla Foundation announced that it would not release any official versions of Mozilla Application Suite beyond 1.7.x, since it had now focused on the standalone applications Firefox and Thunderbird.[19] However, the Foundation emphasized that it would still provide infrastructure for community members who wished to continue development. In effect, this meant that the suite would still continue to be developed, but now by the SeaMonkey Council instead of the Mozilla Foundation.

SeaMonkey was first released on September 15, 2005.[3] SeaMonkey 1 was released on January 30, 2006.

Core Mozilla project source code was licensed under a disjunctive tri-license (before changing to MPL 2.0) that gave the choice of one of the three following sets of licensing terms: Mozilla Public License, version 1.1 or later, GNU General Public License, version 2.0 or later, GNU Lesser General Public License, version 2.1 or later.[20]

Release history

Parts of this table are based on the SeaMonkey release notes, the roadmap and the meeting notes.

  •   Old release
  •   Current release
  •   Current test release
Release history
Gecko Branch Version Release date Significant changes
1.8 1.0 Alpha September 15, 2005
1.0 Beta December 19, 2005
1.8.0 1.0 January 30, 2006[21] Official Version 1.0 release.
1.0.1 April 13, 2006 Security updates and native support for Intel-based Macintosh computers, via Universal Binary.
1.0.2 June 1, 2006 Stability improvement and security fixes.
1.0.3 July 27, 2006 Stability improvement and security fixes.
1.0.4 August 2, 2006 Small fix for a regression with the Microsoft Media Server protocol in 1.0.3.
1.0.5 September 14, 2006 Stability improvement and security fixes.
1.0.6[22] November 8, 2006 Stability improvement and security fixes.
1.0.7 December 20, 2006[23] Stability improvement and security fixes.
1.0.8 February 27, 2007 Stability improvement and security fixes.
1.0.9 May 30, 2007 Stability improvement and security fixes. Marks the end of life for SeaMonkey 1.0.x series.
1.8.1 1.1 Alpha August 30, 2006 Major feature work
1.1 Beta November 8, 2006
1.1 January 18, 2007 Official Version 1.1 release.
1.1.1 February 28, 2007 Stability improvement and security fixes.
1.1.2 May 30, 2007 Stability improvement and security fixes.
1.1.3 July 19, 2007 Stability improvement and security fixes.
1.1.4 August 3, 2007 Stability improvement and security fixes.
1.1.5 October 19, 2007 Stability improvement and security fixes.
1.1.6 November 5, 2007 Several small problems in displaying certain web pages corrected
1.1.7 November 30, 2007 Stability improvement and security fixes. Problem with running SeaMonkey from read-only application directories corrected.
The last to be built for Solaris 8.
1.1.8 February 7, 2008 Stability improvement and security fixes.
1.1.9 March 25, 2008 Stability improvement and security fixes.
1.1.10 July 2, 2008 Stability improvement and security fixes.
1.1.11 July 15, 2008 Stability improvement and security fixes.
1.1.12 September 23, 2008 Stability improvement and security fixes.
1.1.13 November 12, 2008 Stability improvement and security fixes.
1.1.14 December 16, 2008 Stability improvement and security fixes.
1.1.15 March 18, 2009 Stability improvement and security fixes.
1.1.16 April 8, 2009 Stability improvement and security fixes.
1.1.17 June 22, 2009 Stability improvement and security fixes.
1.1.18 September 3, 2009 Stability improvement and security fixes.
1.1.19 March 16, 2010 Stability improvement and security fixes. End-of-life of 1.1.x product line.
The last to support Windows 98/Me.
The last to be built for Solaris 10.
1.9.1 2.0 Alpha 1 October 5, 2008 Toolkit transition and major feature work
2.0 Alpha 2 December 10, 2008 Toolkit transition and major feature work
2.0 Alpha 3 March 3, 2009 Toolkit transition and major feature work
2.0 Beta 1 July 21, 2009 Follows Gecko 1.9.1.1 stable release, major feature work
2.0 Beta 2 September 12, 2009 Major feature work
2.0 RC 1 October 10, 2009 First release candidate
2.0 RC 2 October 19, 2009 Second release candidate
2.0 October 27, 2009 Official Version 2.0 release.
2.0.1 December 15, 2009 Stability improvement and security fixes.
2.0.2 January 11, 2010 Stability improvement and security fixes.
2.0.3 February 17, 2010 Stability improvement and security fixes.
2.0.4 March 30, 2010 Stability improvement and security fixes.
2.0.5 June 22, 2010 Stability improvement and security fixes.
2.0.6 July 20, 2010 Stability improvement and security fixes.
2.0.7 September 7, 2010 Stability improvement and security fixes.
2.0.8 September 15, 2010 Stability improvements only.
2.0.9 October 20, 2010 Stability improvement and security fixes.
2.0.10 October 28, 2010 Security fix.
2.0.11 December 9, 2010 Stability improvement and security fixes.
2.0.12 March 2, 2011 Security fix.
2.0.13 March 23, 2011 Stability improvement and security fixes.
2.0.14 April 28, 2011 Stability improvement and security fixes.

This is the last version to support Mac OS X 10.4 Tiger and PowerPC Macs

1.9.3 2.1 Alpha 1 May 18, 2010 Feature work
2.1 Alpha 2 July 7, 2010 New addons manager, Feature work
2.0 2.1 Alpha 3 August 24, 2010 Third alpha release
2.1 Beta 1 October 20, 2010 First beta release
2.1 Beta 2 February 14, 2011 Second beta release
2.1 Beta 3 April 7, 2011 Third beta release
2.1 RC 1 May 12, 2011 First release candidate
2.1 RC 2 June 6, 2011 Second release candidate
2.1 June 10, 2011 Official Version 2.1 release.
The last to be built for OS/2.
5.0 2.2 Beta 1 June 22, 2011 First beta release
2.2 Beta 2 June 28, 2011 Second beta release
2.2 Beta 3 July 2, 2011 Third beta release
2.2 July 7, 2011 Official Version 2.2 release.
6.0 2.3 Beta 1 July 25, 2011 First beta release
2.3 Beta 2 July 31, 2011 Second beta release
2.3 Beta 3 August 6, 2011 Third beta release
2.3 August 16, 2011 Official Version 2.3 release.
2.3.1 August 23, 2011[24] Official Version 2.3.1 release. Added a security certificate in order to avoid disabling future automatic software updates.
2.3.2 August 31, 2011 Official Version 2.3.2 release. Removed root certificate for Diginotar. Many downloads erroneously identify themselves as version 2.3.1.[25]
2.3.3 September 6, 2011 Official Version 2.3.3 release. Removed trust exceptions for certificates issued by Staat der Nederlanden. Fixed an error with .gov.uk domains.
7.0 2.4 Beta 1 September 6/7, 2011[26] First beta release
2.4 Beta 2 September 12, 2011 Second beta release
2.4 Beta 3 September 18, 2011 Third beta release
2.4 September 27, 2011 Official Version 2.4 release.
2.4.1 September 29, 2011 Official Version 2.4.1 release.
8.0 2.5 Beta 1 September 30, 2011 First beta release
2.5 Beta 2 October 7, 2011 Second beta release
2.5 Beta 3 October 14, 2011 Third beta release
2.5 Beta 4 November 9, 2011 Fourth beta release
2.5 November 22, 2011 Official Version 2.5 release.
9.0 2.6 Beta 1 November 23, 2011 First beta release
2.6 Beta 2 December 3, 2011 Second beta release
2.6 Beta 3 December 9, 2011 Third beta release
2.6 Beta 4 December 14, 2011 Fourth beta release
2.6 December 20, 2011 Official Version 2.6 release.
2.6.1 December 22, 2011 Official Version 2.6.1 release.
10.0 2.7 Beta 1 December 24, 2011 First beta release
2.7 Beta 2 December 30, 2011 Second beta release
2.7 Beta 3 January 7, 2012 Third Beta release.
2.7 Beta 4 January 20, 2012 Fourth Beta release.
2.7 Beta 5 January 26, 2012 Fifth Beta release.
2.7 January 31, 2012 Official Version 2.7 release.
2.7.1 February 10, 2012 Official Version 2.7.1 release.
2.7.2 February 17, 2012 Official Version 2.7.2 release.
11.0 2.8 Alpha 1 December 17, 2011 First Alpha release.
2.8 Alpha 2 December 18, 2011 Second Alpha release.
2.8 Beta 1 February 4, 2012 First Beta release.
2.8 Beta 2 February 9, 2012 Second Beta release.
2.8 Beta 3 February 18, 2012 Third Beta release.
2.8 Beta 4 February 25, 2012 Fourth Beta release.
2.8 Beta 5 March 6, 2012 Fifth Beta release.
2.8 Beta 6 March 8, 2012 Sixth Beta release.
2.8 March 13, 2012 Official Version 2.8 release.
12.0 2.9 Alpha 1 January 20, 2012 First Alpha release.
2.9 Beta 1 March 26, 2012 First Beta release.
2.9 Beta 2 March 30, 2012 Second Beta release.
2.9 Beta 3 April 14, 2012 Third Beta release.
2.9 Beta 4 April 19, 2012 Fourth Beta release.
2.9 April 24, 2012 Official Version 2.9 release.
2.9.1 April 30, 2012 Official Version 2.9.1 release.[27]
This is the last version to support Windows 2000.[28]
13.0 2.10 Beta 1 May 12, 2012 First Beta release.
2.10 Beta 2 May 23, 2012 Second Beta release.
2.10 Beta 3 June 1, 2012 Third Beta release.
2.10 June 6, 2012 Official Version 2.10 release.
2.10.1 June 16, 2012 Official Version 2.10.1 release.
14.0 2.11 Beta 1 June 8, 2012 First Beta release.
2.11 Beta 2 June 14, 2012 Second Beta release.
2.11 Beta 3 June 23, 2012 Third Beta release.
2.11 Beta 4 July 1, 2012 Fourth Beta release.
2.11 Beta 5 July 6, 2012 Fifth Beta release.
2.11 Beta 6 July 11, 2012 Sixth Beta release.
2.11 July 17, 2012 Official Version 2.11 release.
15.0 2.12 Beta 1 July 21, 2012 First Beta release.
2.12 Beta 2 July 27, 2012 Second Beta release.
2.12 August 28, 2012 Official Version 2.12 release.
2.12.1 September 10, 2012 Official Version 2.12.1 release.
16.0 2.13 Beta 1 September 1, 2012 First Beta release.
2.13 Beta 2 September 7, 2012 Second Beta release.
2.13 Beta 3 September 14, 2012 Third Beta release.
2.13 Beta 4 September 23, 2012 Fourth Beta release.
2.13 Beta 5 September 29, 2012 Fifth Beta release.
2.13 Beta 6 October 5, 2012 Sixth Beta release.
2.13 October 9, 2012 Official Version 2.13 release.
2.13.1 October 12, 2012 Official Version 2.13.1 release.
2.13.2 October 27, 2012 Official Version 2.13.2 release. Last version supported on Mac OS X 10.5
17.0 2.14 beta 1 October 22, 2012 First beta version.
2.14 beta 2 October 26, 2012 Second beta version.
2.14 beta 3 November 2, 2012 Third beta version.
2.14 beta 4 November 9, 2012 Fourth beta version.
2.14 beta 5 November 9, 2012 Fifth beta version.
2.14 November 9, 2012 Official Version 2.14.
2.14.1 November 30, 2012 Official Version 2.14.1.
18.0 2.15 beta 1 November 26, 2012 First beta version.
2.15 beta 2 December 9, 2012 Second beta version.
2.15 beta 3 December 7, 2012 Third beta version.
2.15 beta 4 December 14, 2012 Fourth beta version.
2.15 beta 5 December 21, 2012 Fifth beta version.
2.15 beta 6 January 2, 2013 Sixth beta version.
2.15 January 8, 2013 Official Version 2.15 release.
2.15.1 January 20, 2013 Official Version 2.15.1 release.
2.15.2 February 4, 2013 Official Version 2.15.2 release.
19.0 2.16 beta 1 January 12, 2013 First beta version.
2.16 beta 2 January 27, 2013 Second beta version.
2.16 Beta 3 February 1, 2013 Third beta version.
2.16 Beta 4 February 8, 2013 Fourth beta version.
2.16 Beta 5 February 15, 2013 Fifth beta version.
2.16 February 21, 2013 Official Version 2.16 release.
2.16.1 March 8, 2013 Official Version 2.16.1 release.
2.16.2 March 13, 2013 Official Version 2.16.2 release.
20.0 2.17 beta 1 February 26, 2013 First beta version.
2.17 beta 2 March 18, 2013 Second beta version.
2.17 beta 3 March 24, 2013 Third beta version.
2.17 beta 4 March 28, 2013 Fourth beta version.
2.17 April 2, 2013 Official Version 2.17 release.
2.17.1 April 14, 2013 Official Version 2.17.1 release.
21.0 2.18 Beta 1 April 5, 2013 First beta version.
2.18 Beta 2 April 19, 2013 Second beta version.
2.18 Beta 3 April 27, 2013 Third beta version.
2.18 Beta 4 May 3, 2013 Fourth beta version.
2.18 Not released Official Version 2.18 has been skipped due to technical problems with the build architecture.[29]
22.0 2.19 Beta 1 June 20, 2013 First beta version.
2.19 Beta 2 June 26, 2013 Second beta version.
2.19 July 2, 2013 Official Version 2.19 release.
23.0 2.20 Beta 1 July 9, 2013 First beta version.
2.20 Beta 2 July 23, 2013 Second beta version.
2.20 Beta 2 July 30, 2013 Third beta version.
2.20 August 6, 2013 Official Version 2.20 release.
24.0 2.21 Beta 1 September 7, 2013 First beta version.
2.21 Beta 2 September 11, 2013 Second beta version.
2.21 September 17, 2013 Official Version 2.21 release.
25.0 2.22 Beta 1 October 21, 2013 First beta version.
2.22 Beta 2 October 25, 2013 Second beta version.
2.22 October 30, 2013 Official Version 2.22 release.
2.22.1 November 18, 2013 Official Version 2.22.1 release.
26.0 2.23 Beta 1 December 6, 2013 First beta version.
2.23 Beta 2 December 8, 2013 Second beta version.
2.23 December 12, 2013 Official Version 2.23 release.
27.0 2.24 Beta 1 February 3, 2014 First beta version.
2.24 February 6, 2014 Official Version 2.24 release.
28.0 2.25 Beta 1 February 13, 2014 First beta version.
2.25 Beta 2 March 9, 2014 Second beta version.
2.25 Beta 3 March 14, 2014 Third beta version.
2.25 March 19, 2014 Official Version 2.25 release.
29.0 2.26 Beta 1 April 9, 2014 First beta version.
2.26 Beta 2 April 18, 2014 Second beta version.
2.26 May 2, 2014 Official Version 2.26.0 release.
2.26.1 June 16, 2014 Official Version 2.26.1 release.
30.0 2.27 Not released Official Version 2.27 has been skipped due to technical problems with the build architecture.[30]
31.0 2.28 Not released Official Version 2.28 has been skipped due to technical problems with the build architecture.[30]
32.0 2.29 Beta 1 August 27, 2014 First beta version.
2.29 Beta 2 September 2, 2014 Second beta version.
2.29 September 7, 2014 Official Version 2.29 release.
2.29.1 September 24, 2014 Official Version 2.29.1 release.
33.0 2.30 Beta 1 October 9, 2014 First beta version.
2.30 Beta 2 October 12, 2014 Second beta version.
2.30 October 15, 2014 Official Version 2.30 release.
34.0 2.31 Beta 1 November 2, 2014 First beta version.
2.31 Beta 2 November 28, 2014 Second beta version.
2.31 December 4, 2014 Official Version 2.31 release.
35.0 2.32 Beta 1 December 16, 2014 First beta version.
2.32 Beta 2 December 21, 2014 Second beta version.
2.32 Beta 3 January 4, 2015 Third beta version.
2.32 January 13, 2015 Official Version 2.32 release.
2.32.1 February 6, 2015 Official Version 2.32.1 release.
36.0 2.33 Beta 1 February 26, 2015 First beta version.
2.33 March 10, 2015 Official Version 2.33 release.
2.33.1 March 24, 2015 Official Version 2.33.1 release.
37.0 2.34 Not released Official Version 2.34 has been skipped.
38.0 2.35 September 3, 2015 Official Version 2.35 release.
39.0 2.36 Not released Official Version 2.36 has been skipped.
40.0 2.37 Not released Official Version 2.37 has been skipped.
41.0 2.38 Beta 1 September 7, 2015 First beta version.
2.38 September 26, 2015 Official Version 2.38 release.
42.0 2.39 Beta 1 November 2, 2015 First beta version.
2.39 November 8, 2015 Official Version 2.39 release.
43.0 2.40 March 14, 2016 Official Version 2.40 release.

This is the last version to support CPUs without SSE2 under Windows.

This is the last version to support Mac OS X 10.6-10.8.[31]

44.0 2.41 Not released Official Version 2.41 has been skipped.
45.0 2.42 Not released Official Version 2.42 has been skipped.
46.0 2.43 Not released Official Version 2.43 has been skipped.
47.0 2.44 Not released Official Version 2.44 has been skipped.
48.0 2.45 Not released Official Version 2.45 has been skipped.
49.0 2.46 December 22, 2016 Official Version 2.46 release.
50.0 2.47 Not released Official Version 2.47 has been skipped in favour of 2.46.
51.0 2.48 Beta 1 April 15, 2017 First beta version.
2.48 July 31, 2017 Official Version 2.48 release.

This is the last version to support GTK2 on Linux.

52.4 2.49.1 November 4, 2017 Official Version 2.49.1 release. Built from the same Extended Support Release (ESR) branch as Firefox 52 ESR and Thunderbird 52.
52.6 2.49.2 February 15, 2018 Official Version 2.49.2 release. Built from the same Extended Support Release (ESR) branch as Firefox 52 ESR and Thunderbird 52.
52.7.3 2.49.3 May 4, 2018 Official Version 2.49.3 release. Built from the same Extended Support Release (ESR) branch as Firefox 52 ESR and Thunderbird 52.
52.9.1 2.49.4 July 27, 2018 Official Version 2.49.4 release. Built from the same Extended Support Release (ESR) branch as Firefox 52 ESR and Thunderbird 52.

This is the last version to support plugins other than Flash on macOS.[32]

2.49.5 September 4, 2019 Official Version 2.49.5 release. Built from the same Extended Support Release (ESR) branch as Firefox 52 ESR and Thunderbird 52.

This is the last version to support Windows XP/Server 2003 and Windows Vista/Server 2008.

This is the last version to support ALSA on Linux.

This is the last version to support NPAPI plugins other than Flash.[32]

60.3 2.53.1 Beta 1 January 18, 2020 Beta Version 2.53.1 b1 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[33]
2.53.1 February 28, 2020 Official Version 2.53.1 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[34]
2.53.2 Beta 1 April 15, 2020 Beta Version 2.53.2 b1 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[35]
2.53.2 May 3, 2020 Official Version 2.53.2 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[36]
60.4 2.53.3 Beta 1 June 15, 2020 Beta Version 2.53.3 b1 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[37]
2.53.3 July 7, 2020 Official Version 2.53.3 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[38]
60.6 2.53.4b1 August 20, 2020 Beta Version 2.53.4 b1 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[39]
2.53.4 September 22, 2020 Official Version 2.53.4 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[40]
60.8 2.53.5b1 October 29, 2020 Beta Version 2.53.5 b1 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[41]
2.53.5 November 13, 2020 Official Version 2.53.5 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[42]
2.53.5.1 November 17, 2020 Official Version 2.53.5.1 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[43]
2.53.6b1 December 28, 2020 Beta Version 2.53.6 b1 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[44]
2.53.6 January 22, 2021 Official Version 2.53.6 Built from the same Extended Support Release (ESR) branch as Firefox 60 ESR and Thunderbird 60.[45]

See also

Notes
  1. "SeaMonkey 2.53.6 released". November 22, 2020. Retrieved November 22, 2020.
  2. "SeaMonkey 2.53.6 Beta 1". SeaMonkey Project. December 28, 2020. Retrieved January 6, 2021.
  3. "SeaMonkey: Download & Releases". April 15, 2015. Retrieved August 7, 2015.
  4. "SeaMonkey: Legal Resources". SeaMonkey Council. Retrieved September 4, 2014.
  5. "About SeaMonkey". June 23, 2015. Retrieved August 7, 2015.
  6. Andrew Powell (February 14, 2014). "SeaMonkey - More than a Web Browser". TheLinuxRain. Retrieved September 4, 2014.
  7. Chris Ilias. "Mozilla-Netscape Relationship". Retrieved August 7, 2015.
  8. Lemon Juice (June 13, 2015). "Firefox & Thunderbird Add-on Converter for SeaMonkey". Retrieved August 7, 2015.
  9. SeaMonkey Council (May 2, 2017). "The State of the SeaMonkey Union!". Retrieved November 27, 2017.
  10. Codrut Nistor (December 18, 2006). "SeaMonkey Review: Web Browsing and a Little More". Softpedia. Retrieved January 30, 2010.
  11. "SeaMonkey 2.49.2 Release Notes". November 6, 2017. Retrieved November 27, 2017.
  12. "SeaMonkey: Features". April 15, 2015. Retrieved August 11, 2015.
  13. "comm-central". January 5, 2015. Retrieved August 18, 2015.
  14. "SeaMonkey complains about its own doctype header". December 18, 2014. Retrieved February 26, 2015.
  15. "Composer". April 30, 2013. Retrieved February 26, 2015.
  16. Kaiser, Robert (July 20, 2005). "SeaMonkey:Name And Version - MozillaWiki". wiki.mozilla.org. Archived from the original on April 12, 2018. Retrieved April 12, 2018.
  17. "SeaMonkey® trademarks registered!". Home of KaiRo. Retrieved September 4, 2014.
  18. "Debian and Mozilla - a study in trademarks". LWN.net. Retrieved September 14, 2011.
  19. "Two discontinued browsers". LWN.net. December 21, 2005. Retrieved August 19, 2012.
  20. Mozilla.org
  21. "SeaMonkey 1.0". Download & Releases. www.seamonkey-project.org. January 2, 2011. Retrieved November 17, 2011.
  22. "SeaMonkey 1.0.6". Download & Releases. www.seamonkey-project.org. January 2, 2011. Retrieved November 17, 2011.
  23. "SeaMonkey 1.0.7". Download & Releases. www.seamonkey-project.org. January 2, 2011. Retrieved November 17, 2011.
  24. "SeaMonkey 2.3.1". SeaMonkey Project News. August 23, 2011. Retrieved November 17, 2011.
  25. Callek (August 31, 2011). "SeaMonkey 2.3.2 reports as 2.3.1…". Callek's Blog. Archived from the original on March 31, 2012. Retrieved November 17, 2011.
  26. SeaMonkey developers are located in different time zones and the official release date was written according to different time zones, September 6 or September 7, on different official web pages.
  27. "SeaMonkey 2.9.1". Releases. seamonkey-project.org. December 30, 2012. Retrieved November 30, 2015.
  28. "SeaMonkey 2.10 Release Notes". Release Notes. seamonkey-project.org. December 30, 2012. Retrieved November 30, 2015.
  29. "SeaMonkey 2.18 Skipped". June 1, 2013. Retrieved September 2, 2014.
  30. "SeaMonkey 2.27 and 2.28 Skipped". August 26, 2014. Retrieved September 2, 2014.
  31. "SeaMonkey: Latest Releases for Legacy Platforms". www.seamonkey-project.org. Retrieved December 15, 2018.
  32. "SeaMonkey: Latest Releases for Legacy Platforms". www.seamonkey-project.org. Retrieved March 1, 2020.
  33. "SeaMonkey 2.53.1 Release Notes". www.seamonkey-project.org. Retrieved January 20, 2020.
  34. "SeaMonkey 2.53.1 Release Notes". www.seamonkey-project.org. Retrieved March 1, 2020.
  35. "SeaMonkey 2.53.2 Release Notes". www.seamonkey-project.org. Retrieved April 15, 2020.
  36. "SeaMonkey 2.53.2 Release Notes". www.seamonkey-project.org. Retrieved May 8, 2020.
  37. "SeaMonkey 2.53.3 b1 Release Notes". www.seamonkey-project.org. Retrieved June 15, 2020.
  38. "SeaMonkey 2.53.3 Release Notes". www.seamonkey-project.org. Retrieved July 7, 2020.
  39. "SeaMonkey 2.53.4 Release Notes". www.seamonkey-project.org. Retrieved August 20, 2020.
  40. "SeaMonkey 2.53.4 Release Notes". www.seamonkey-project.org. Retrieved September 22, 2020.
  41. "SeaMonkey 2.53.5 Release Notes". www.seamonkey-project.org. Retrieved October 29, 2020.
  42. "SeaMonkey 2.53.5 Release Notes". www.seamonkey-project.org. Retrieved November 17, 2020.
  43. "SeaMonkey 2.53.5.1 Release Notes". www.seamonkey-project.org. Retrieved November 19, 2020.
  44. "SeaMonkey 2.53.6 Release Notes". www.seamonkey-project.org. Retrieved December 28, 2020.
  45. "SeaMonkey 2.53.6 Release Notes". www.seamonkey-project.org. Retrieved January 22, 2021.

References
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