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SeaMonkey 2.23

  -  47.6 MB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of SeaMonkey 2.23.


For those interested in downloading the most recent release of SeaMonkey for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download SeaMonkey 2.23

  • SeaMonkey 2.23 Screenshots

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    SeaMonkey 2.23 Screenshot 1
  • SeaMonkey 2.23 Screenshot 2
  • SeaMonkey 2.23 Screenshot 3
  • SeaMonkey 2.23 Screenshot 4
  • SeaMonkey 2.23 Screenshot 5

What's new in this version:

SeaMonkey-specific changes:
- Download progress is now shown in the OS X app dock icon.
- EXIF orientation is now being used when displaying attached images in MailNews.
- "This folder is being processed... to get messages." alerts on active MailNews folders now identify the account or folder.
- MailNews notifications have a new look.

Mozilla platform changes:
- All plugins, with the exception of recent Flash plugins, now default to click-to-play.
- The password manager now supports script-generated password fields.
- Support for H.264 on Linux is now available if the appropriate GStreamer plugins are installed.
- The CSP implementation now supports multiple policies, including the case of both an enforced and Report-Only policy, per the spec.
- There is no longer a prompt when websites use appcache.
- Support for the CSS image orientation property has been added.
- IndexedDB can now be used as an "optimistic" storage area so it does not require any prompts and data is stored in a pool with LRU eviction policy, in short temporary storage.
- When displaying a standalone images, the EXIF orientation information contained within the JPEG image is now matched (bug 298619).
- Page load times have been improved due to no longer decoding images that are not visible (bug 847223).
- Support for the AudioToolbox MP3 backend has been added on OS X (bug 914479).
- Fixed several stability issues.

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