TeXnicCenter.org - TeXnicCenter is a free editor (IDE) for developing LaTeX documents under Windows. Downloads, features, screen shots, support and bug reports. - http://www.texniccenter.org/
TeX/LaTeX shells for Windows - Catalogue of GUIs, editors, shells and frontends for working with LaTeX under MS-Windows environment. - http://www.itsfd.de/texwin/
LatexED - Freeware IDE for LaTeX on Windows written in wxWidgets with syntax highliting, symbol toolbar and drag and drop support. - http://www.syminsoft.neostrada.pl/
MicroIMP - Development site with discussion forums for the MicroPress IMP project that claims to combine the power of TeX typesetting with the easyness of fully WYSIWYG editing. - http://www.microimp.com/
WinTeX XP - Commercial editor and integrated shell for TeX/LaTeX with MS Office look and feel. - http://www.tex-tools.de/cms/
LaTeX Editor (LEd) - A free environment for rapid TeX/LaTeX document development that offers project manager, powerfull editor, integrated spellchecker, built-in DVI viewer, descriptive hints and code completion, and multilingual environment. - http://www.latexeditor.org/
LaTeXsoft - Offers an IDE called LaTeXMng, a BiBTeX utility called BibTexMng, LaTeX Help Book (free) and MPEdit an utility for creation and editing of MetaPost files. Shareware. - http://www.latexsoft.com/
LaTeXEditor - Open-source editing tool for LaTeX under Windows which features syntax highlighting, spelling checker, and a simple user interface. - http://www.ntu.edu.sg/home5/pg03053527/latexeditor/
WinEdt.org - Home of WinEdt's community. Contains help and documentation, macros, dictionaries and add-ons for the editor. - http://www.winedt.org/
TeXShell for Windows - Information about this free (La)TeX Shell. Contains download, description, screen shots and installation instructions. - http://www.projectory.de/texshell/
WinShell - A free graphical user interface for easily working with LaTeX or TeX documents under Windows. It includes a text editor, different tool bars and user configuration options. - http://www.winshell.de/
WinEdt - A shareware TeX editor for Windows. Conatains feature overview, registration, download and screen shots. - http://www.winedt.com/