EditPad

EditPad is a ligth-weight texteditor with several useful features, but still simple.
Basicly EditPad is just an advanced version of Notepad, with some features that makes the developing process easy, without going fullscale developer tool like Visual Studio.

EditPad is available in both a Lite and a Pro edition.

EditPad Lite

The Lite edition is free to use for non-commercial use and registered charities.
Some of the main featurs of EditPad Lite are:

• Tabs that allow you to have multiple files open at the same time, in the same window
• List of last 16 opened files to allow quick access to often used files
• Unlimetede Undo and Redo
• Minimizing EditPad to the Systemtray

EditPad Pro

The Pro edition cost a small amount to purchase, but also contains many new and usefull features not found in the Lite edition.
Some of these features are:

• Syntax coloring for many popular file types. HTML, XML, CSS, Delphi, Java, C#, C++, VB, Perl, PHP, Python, Ruby, Eiffel, SQL and many more are supported out of the box. 
• Built in FTP
• File explorer
• Spell checker
• Project Manager