SeaMonkey

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Seamonkey Download
Seamonkey Vs Thunderbird
Seamonkey Email Setup 2020

New SeaMonkey Donation Page now live!
1, 2, 3by Philip Chee » February 23rd, 2015, 12:57 pm
30 Replies
117707 Views
Last post by ixander
April 6th, 2021, 2:50 pm
Firefox & Thunderbird Add-on Converter for SeaMonkey
1 ... 35, 36, 37by Lemon Juice » May 18th, 2014, 4:49 pm
540 Replies
418781 Views
Last post by TPR75
April 3rd, 2021, 3:16 pm
Migrating from Firefox to SeaMonkey browser FAQ
1, 2by patrickjdempsey » February 18th, 2014, 1:44 am
29 Replies
122863 Views
Last post by rsx11m
May 24th, 2015, 6:36 am
Portable - From portableapps to Non portableapps
by wpr » April 15th, 2021, 3:33 am
10 Replies
252 Views
Last post by wpr
Today, 2:23 am
JSON Error
by wpr » April 11th, 2021, 3:49 pm
8 Replies
302 Views
Last post by 4td8s
Yesterday, 5:01 pm
Addon 'PDF.js' not recognized, not working
by EckardG » April 17th, 2021, 4:16 am
4 Replies
125 Views
Last post by 4td8s
Yesterday, 4:51 pm
Lastpass Support
by Alrichar43 » Yesterday, 8:12 am
3 Replies
89 Views
Last post by Frank Lion
Yesterday, 3:51 pm
Semonkey questions
by mozzyx » April 18th, 2021, 8:40 am
4 Replies
149 Views
Last post by Peter Creasey
Yesterday, 1:46 pm
Print Preview on Seamonkey / Mac OSX 10.8
by kapqa » April 18th, 2021, 1:34 pm
2 Replies
91 Views
Last post by frg
Yesterday, 1:12 pm
Can't Find SeaMonkey Folder on my Mac Under Users
by Curland » April 18th, 2021, 8:41 pm
7 Replies
130 Views
Last post by DanRaisch
April 19th, 2021, 6:28 pm
No magnification, when mouse hovers over ebay picture
by capello325 » April 18th, 2021, 11:18 pm
1 Replies
81 Views
Last post by LIMPET235
April 19th, 2021, 4:20 am
Graphical Problems in Seamonkey without Safe-mode
by atcade » April 17th, 2021, 3:00 am
5 Replies
200 Views
Last post by Frank Lion
April 19th, 2021, 12:55 am
Bank of America problems
1, 2by LinuxUserSince1991 » April 7th, 2021, 10:22 am
15 Replies
457 Views
Last post by LinuxUserSince1991
April 17th, 2021, 3:35 pm
SeaMonkey 2.53.7
by bigjeff66 » April 4th, 2021, 12:30 pm
10 Replies
497 Views
Last post by 4td8s
April 17th, 2021, 9:57 am
Graphical Problems in Seamonkey without Safe-mode
by atcade » April 17th, 2021, 3:02 am
1 Replies
95 Views
Last post by LIMPET235
April 17th, 2021, 4:08 am
2.53.7 breaks 'dark background and light text' extension
by jones23 » March 31st, 2021, 6:58 pm
2 Replies
253 Views
Last post by frg
April 15th, 2021, 5:00 am
Seamonkey 2.53.7 won't save or restore sessions
by avatar1 » March 31st, 2021, 12:38 pm
2 Replies
279 Views
Last post by therube
April 12th, 2021, 9:31 am
Linking PDF files (Mac)
by Dave n » April 8th, 2021, 8:21 am
11 Replies
572 Views
Last post by davidb_sk
April 10th, 2021, 7:31 am
Google zeigt keine bei SM Seiten zahlen mehr (Solved)
by Yazoo01 » April 6th, 2021, 11:14 am
8 Replies
305 Views
Last post by Yazoo01
April 9th, 2021, 8:36 am
Easier way to save multiple e-mails?
by LinuxUserSince1991 » April 7th, 2021, 10:15 am
8 Replies
169 Views
Last post by LinuxUserSince1991
April 7th, 2021, 1:51 pm
Mail won't download mail
by JTN18 » April 3rd, 2021, 8:21 pm
4 Replies
270 Views
Last post by JTN18
April 5th, 2021, 11:23 pm
send to back/bring to front
by kirschpe » April 3rd, 2021, 6:54 am
5 Replies
220 Views
Last post by davidb_sk
April 3rd, 2021, 5:00 pm
Secure Mail Keys - AT&T email and SeaMonkey
1, 2by Dritz » April 1st, 2021, 2:01 pm
16 Replies
707 Views
Last post by Peter Creasey
April 3rd, 2021, 4:56 pm
Uninstall/disable SeaMonkey browser
by Nemo Nusquam » April 1st, 2021, 9:00 am
7 Replies
278 Views
Last post by ndebord
April 1st, 2021, 8:47 pm
Globe and Mail will not open
by Rob_S » March 24th, 2021, 9:26 pm
8 Replies
449 Views
Last post by davidb_sk
March 28th, 2021, 8:28 pm
Seamonkey and Pogo.com games
by adiv51 » March 27th, 2021, 11:26 am
3 Replies
354 Views
Last post by Frank Lion
March 28th, 2021, 1:24 pm
Security Cert Issuer Unk
by unbeleevabull » March 12th, 2021, 8:06 am
3 Replies
556 Views
Last post by Frank Lion
March 18th, 2021, 11:56 am
Some email gone missing in some Local folders
by Zoroman » March 14th, 2021, 11:33 am
6 Replies
509 Views
Last post by DanRaisch
March 18th, 2021, 9:16 am
Post time wrong
by shakushinnen » March 16th, 2021, 7:58 am
10 Replies
921 Views
Last post by shakushinnen
March 17th, 2021, 12:24 pm
Very strange happening
by Rob_S » March 15th, 2021, 10:30 pm
0 Replies
325 Views
Last post by Rob_S
March 15th, 2021, 10:30 pm

Download SeaMonkey for Windows now from Softonic: 100% safe and virus free. More than 591 downloads this month. Download SeaMonkey latest version 2021. OldVersion.com provides free. software downloads for old versions of programs, drivers and games. So why not downgrade to the version you love? Because newer is not always bett.

You can build a bleeding-edge, development version of SeaMonkey using the commands below. For complete information, see the build documentation.

Build prerequisites

Hardware Requirements:

The SeaMonkey build process is both I/O- and CPU-intensive, and can take a long time to build even on modern hardware. Minimum and recommended hardware requirements for Mozilla development are:

Recommended: 8GB of RAM (having only 4GB RAM and 4GB swap may give memory errors during compile)
35 GB free disk space. This will accommodate Visual Studio 2013 Community Edition, the required SDKs, the MozillaBuild package, the Mercurial source repository and enough free disk space to compile. A fast SSD is recommended; the Firefox build process is I/O-intensive.
High speed internet

Installing build tools

If your system is not listed below, see the build prerequisites page.

Debian Linux:
Ubuntu Linux
Fedora Linux CentOS RHEL:
Mac:	Install Xcode Tools. Insert 'Mac OS X Install Disc 2', then open `XcodeTools.mpkg`. (For some Mac OS X versions, you will find it in a directory called 'Optional Installs'.) Install MacPorts. Run these commands to install the other build tools: Problems? See Mac OS X build prerequisites.
Windows:	Install Visual C++ 2013. Both the professional edition and the express edition will work. You may need to install one or more Windows SDKs. See Windows SDK versions for a quick guide. If you decided on the Windows 8 SDK, you also need the Outlook 2010 MAPI Header Files from Microsoft. Install MozillaBuild, a package of additional build tools. (If you get a message saying this application did not install properly then you should see a windows dialog giving you the option to re-install with the 'correct settings'. After that all should be well.) Open a shell window by running: `c:mozilla-buildstart-msvc2013.bat`. Even if you're on 64-bit Windows, do not use the files ending in `-x64.bat`. By default you will arrive in your Windows user home directory which is likely to contain spaces in its path (e.g. C:Usersmyaccount). This can lead to problems later in the building stage. To avoid that, create a directory without spaces in its path (e.g. `mkdir /c/mozilla-src`) and switch to it before building (`cd /c/mozilla-src`). Problems? See Windows build prerequisites.

Seamonkey Download

Building SeaMonkey

Building SeaMonkey requires at least 2 GB of disk space and 256 MB of available RAM.

For a debug build, you need different configuration options in your .mozconfig file. This requires more disk space, about 3 GB, and twice as much available RAM.
Normally a shared build suffices for debugging purposes but current nightly releases are actually static builds which require even more memory to link. The support for libxul builds is still experimental but it should work if you --disable-mailnews.
On Windows, the above commands will create the comm-central directory in %USERPROFILE% which may be some subfolder of c:Documents and Settings on systems upgraded from XP or below. The space in this directory name, or in your user name if it contains one, will cause the configure script to break. To (possibly) fix this, cd to a dir without spaces before doing the 'hg clone' command above.

Running SeaMonkey

The SeaMonkey executable can be found in obj-sm-release/dist/bin/ (used to be obj-sm-release/mozilla/dist/bin/) on Windows and Linux and in obj-sm-release/dist/SeaMonkey.app/Contents/MacOS/ on Mac.

How to build again later

Seamonkey Vs Thunderbird

In your comm-central directory, run these commands:

Then just re-run the '(moz)make -f client.mk' command above. (moz)make will only recompile files that changed, but it's still a long haul. An incremental build can be faster.

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