Notepad++ 是一套非常有特色的自由软件的纯文字编辑器(许可证:GPL),有完整的中文化接口及支援多国语言撰写的功能(UTF8 技术).它的功能比 Windows 中的 Notepad(记事簿)强大,除了可以用来制作一般的纯文字说明文件,也十分适合当作撰写电脑程序的编辑器.Notepad++ 不仅有语法高亮度显示,也有语法折叠功能,并且支援宏以及扩充基本功能的外挂模组.下载:Notepad++ 4.3

Notepad++ v4.3 fixed bugs and added features (from v4.2.2) :
1. Fix the crash bug due to the corrupted configuration file (config.xml and session.xml).
2. Fix the crash bug while the shortcut command is absent in shortcut.xml.
3. Fix the file status auto-detection bug : a unwanted selection after a pop-up dialog. 
4. Enhance Styler Configurator : the visual effect is updated immediately while the setting is changing.
5. Add Global override feature (in Styler Configurator).
6. Fix the bold/italic/underline refresh problem in Stylers Configurator for Scintilla component.
7. Add hide lines feature (Menu : View->Hide lines).
8. Add new capacity (optional setting in Preferences dialog : Backup/Auto-completion tab) to trigger Auto-Completion(Function Completion or Word completion) automatically .
9. The set languages in session are remembered now.

Included plugins : 
1. TexFX v0.24a
2. Function list v1.2
3. ConvertExt v1.1
4. NppExec v0.2 beta 4
5. Spell checker v1.1
6. Quick text v0.02
7. Light Explorer v1.4
8. Hex editor v0.84

New added plugins messages (for plugins developers) :
1. Add a new message NPPM_MSGTOPLUGIN for the communication between 2 plugins.
2. Add a new plugin message NPPM_MENUCOMMAND which allows plugins to execute all the npp available menu commands.
3. Add new plugin notification message NPPN_FILEJUSTOPENED.