Notepad++ is an open source text editor that has many useful features, like syntax highlighting, code folding, autocompletion and macro recording.

It has a portable version available.

You can read all the features in its website.

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• Notepad++ 5.1
• Notepad++ 5.1.1
• Notepad++ 5.1.2
• Notepad++ 5.0.1
• Notepad++ 5.0.2