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SeaMonkey for Mac

SeaMonkey 2.13

  -  38.31 MB  -  Open Source

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 2.13.


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!

  • SeaMonkey 2.13 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    SeaMonkey 2.13 Screenshot 1
  • SeaMonkey 2.13 Screenshot 2
  • SeaMonkey 2.13 Screenshot 3
  • SeaMonkey 2.13 Screenshot 4
  • SeaMonkey 2.13 Screenshot 5

What's new in this version:

- JavaScript responsiveness has been improved through incremental garbage collection
- CSS3 Animations, Transitions, Transforms and Gradients have been unprefixed
- MD5 is no longer supported as a hash algorithm in digital signatures
- The Opus codec is now support by default
- The reverse CSS3 animation direction has been implemented
- Per tab reporting is now available in about:memory
- Fixed several stability issues