ConTEXT is smart, fast and very powerful text editor for developers. Unlimited open files, unlimited editing file size length, 4kB line length, powerful syntax highlighting for C/C++, Delphi/Pascal, 80x86 assembler, Java, Java Script, Visual Basic, Perl/CGI, HTML, SQL, Python, PHP, Tcl/Tk, user defineable syntax highlighter, project workspaces, compiler integration, multilanguage support and many more features.

Some features:
# multilanguage support (supported languages: English, German, French, Croatian, Chinese, Czech, Danish, Dutch, Estonian, Esperanto, Spanish, Galego, Italian, Hungarian, Portuguese (Brazil), Russian, Slovakian, Polish, Lithuanian, Latvian, Slovenian, Turkish)

# project workspaces support

# unicode UTF8 support

# templates for many code types

# customizable help files for each file type

# file explorer with favorites list

# export to HTML/RTF formats

# conversion DOS->UNIX->Macintosh file formats

# editing position remembering across files

# recorder of macroses

# commenting/uncommenting code

# text sort

# normal and columnar text selection

# bookmarks

# find and replace text in all open files

# regular expressions in find/replace dialogs

# C/Java-style block auto indent/outdent

Link to the official website: http://www.contexteditor.org/