Jed

Jed is a small, fast and powerful text editor, yet starts faster than bash.

Completely customizable with prepared emulation modes for Emacs, CUA (similar to KDE/Gnome/OpenOffice), Borland-IDE, Brief, and EDT. Extensible in the S-Lang scripting language (with a syntax resembling C).

Editing functions: folding support, rectangular cut/paste, regular expression search/replace, incremental searches, search/replace across multiple files, multiple windows, multiple buffers, ...

Tools: directory editor (dired), info (browse GNU info files), mail, rmail, ispell, shell mode, ...

Special modes (syntax highlight, indention, compile, ...) for Basic, C, C++, DCL, FORTRAN, IDL, Java, nroff, Pascal, Perl, PHP, PostScript, Python, sh. Modes for markup languages include HTML and (La)TeX (with AUC-TeX style editing and BibTeX)

Additional tools and modes can be found in the jed-extra package.