EmEditor

One of the most powerful shareware text editors. Its capabilities:

1. Individual editor setup for every file type (highlight colors, keywords for highlighting, word wrapping, keyboard shortcuts, backup and auto-save policy and so on).
2. Supports regular expressions in keywords for highlighting.
3. Regular expressions for Find and Replace functions.
4. Find in Files and Replace in Files features.
5. Automatic highlighting for search expressions (including ones that were previously searched for; this is customizable).
6. Supports macroses (JS, VBS, PerlScript, PHPScript, Python, RubyScript), plugins and external tools.
7. Fully customizable all menus, toolbars, keyboard shortcuts (including starting of macroses, plugins and tools).
8. Supports all encodings including Unicode (the list of encodings supported can be modified) and also Win/Unix/Mac newline methods.
9. Multi-document interface that decreases memory usage (it's possible to use EmEditor in Single-document mode).
10. Allows to move documents between different EmEditor windows.
11. Works with vertical blocks.
12. Possibility of typing characters that are absent in the keyboard layout (for example, Ctrl+/ with the following o will result in ø, Ctrl+, and C will type Ç and so on).
13. Text drag&drop.
14. Informative and customizable status bar.
15. Can show line/page numbers and ruler.
16. Can show spaces, tabs, newlines with special marks.
17. Autoindent with tabs or spaces.
18. Possibility of creating new files from templates.
19. Supports translating into other languages.
20. Supports Windows 2000/XP/2003/Vista 32-bit and 64-bit (older version 4.13 supports Windows 98/ME).
21. And much, much more... And all this with simple and convenient interface.

Author: Emurasoft, EmEditor