A free and open source plain-text editor for your Mac

CotEditor for Mac
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CotEditor 5.1.3

  -  14.7 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 CotEditor 5.1.3.


For those interested in downloading the most recent release of CotEditor 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 CotEditor 5.1.3

  • CotEditor 5.1.3 Screenshots

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    CotEditor 5.1.3 Screenshot 1
  • CotEditor 5.1.3 Screenshot 2
  • CotEditor 5.1.3 Screenshot 3
  • CotEditor 5.1.3 Screenshot 4
  • CotEditor 5.1.3 Screenshot 5

What's new in this version:

Improved:
- Automatically insert a closing symbol also for single and back quotation marks when the “Automatically insert closing brackets and quotes” option is enabled
- Update the naming convention for duplicated files and folders in the file browser
- Discontinue appending the “copy” suffix to user settings, such as syntax definitions, when duplicating them
- Improve the syntax highlighting algorithm
- Update the Markdown syntax to improve the highlighting of code blocks
- Update the Go syntax to fix some highlighting keywords
- Improve the stability
- [trivial] Improve the tooltip appearance when hovering over a truncated item in the file browser
- [dev] Update the build environment to Xcode 16.3 (Swift 6.1, macOS 15.4 SDK)

Fixed:
- Fix an issue in the Portuguese localization where the app crashes when attempting to duplicate an item in the file browser
- Fix an issue in CotEditor 5.1.2 where the line number view fails to update correctly under certain conditions

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