Freeware Utilities

Edit a file collaboratively

Cooperative multi-user text editing over the internet. Every co-author can edit the shared document at any time, from any place, and at the same time! There's no need to send files via FTP or to compare documents when multiple users need to make changes to it independently. Multiple text cursors visible on the screen. Every user has their own color. Every cursor movement and text changes are simultaneously visible on the screen by all users.
Edit a file collaboratively: MoonEdit

Edit in hex

XVI32 is a freeware hex editor running under Win9x/NT/2000/XP. XVI32 has the following main features. Especially note the highlighted advantages of XVI32.
Data inspector to view decoded numbers (see screen shot; can be turned off).
Has built-in script interpreter.
Easily works with huge files, and more...
Edit in hex: Freeware Hex Editor XVI32

Edit php source code

PHP Designer 2007 is a free/commercial Integrated Development Environment (IDE) for PHP for both beginner- and professional developers. PHP Designer 2007 is designed to boost your productivity and enhance the process of editing, debugging, analyzing and publishing application- and websites powered by PHP, HTML, MySQL, XML, CSS, JavaScript, VBScript, Java, C#, Perl, Python and Ruby!
Edit php source code: PHP Designer 2007

Edit programming source code

Crimson Editor is a professional source code editor for Windows. This program is not only fast in loading time, but also small in size (so small that it can be copied in one floppy disk). While it can serve as a good replacement for Notepad, it also offers many powerful features for programming languages such as HTML, C/C++, Perl and Java. Syntax Highlighting for HTML, C/C++, Perl, Java, Matlab and LaTeX. Also, it can be extended for other programming languages based on custom syntax files. Other features include undo/redo, user tools, macros, spell checker and more.
Edit programming source code: Crimson Editor

PSPad editor is freeware programmer editor, useful for people who:
work with various programming environments
like highlighted syntax in code
need a small tool with simple controls and the capabilities of a mighty code editor
are looking for a tool to work with plain text
want to save money and still have the functionality of professional products.
Edit programming source code: PSPad editor

Edit text

Don't let your web development tools take over your project! Take control of your own code! Araneae is a simple, yet powerful text editor, providing only the features necessary to create websites and scripts using the latest web technologies. Oh, and did I mention that Araneae is absolutely free for non-commercial use? Use it as long as you like for your personal projects. Araneae Features:
Syntax highlighting
Support for HTML, XHTML, CSS, JavaScript, PHP, Ruby, and more
Instant browser preview, even without saving
Insert customizable quick clips
Tabbed multi-document interface
Drag and drop support for files and images
Downloadable extensions.
Edit text: Araneae

EditPad Lite is a general-purpose text editor, designed to be small and compact, yet offer all the functionality you expect from a basic text editor. EditPad Lite works with Windows NT4, 98, 2000, ME and XP. EditPad Lite is free for non-commercial use. That is, you may use EditPad Lite if you do not get paid, directly or indirectly, for the work you do with EditPad Lite. Registered charities may also use EditPad Lite.
Edit text: EditPad Lite

ConTEXT is a small, fast and powerful freeware text editor, developed mainly to serve as secondary tool for software developers. Main ConTEXT features includes: unlimited open files, unlimited editing file size, 4kB line length. Powerful syntax highlighting for C/C++, Delphi/Pascal, Java, Java Script, Visual Basic, Perl/CGI, HTML, CSS, SQL, FoxPro, 80x86 assembler, Python, PHP, Tcl/Tk, XML, Fortran, Foxpro, InnoSetup scripts. Powerful custom defined syntax highlighter, multilanguage support, unicode UTF8 support, and more...
Edit text: ConTEXT

Yet another Notepad replacement... The original Notepad shipped with Windows is probably the handiest program of all times, small, fast, without frills! Notepad2 tries to follow this principle, it's a small, fast and free text editor with syntax highlighting for HTML and other common languages.
Edit text: Notepad2

Preview any file as a hex dump

HexView is a multiple document Hexadecimal viewer with drag n drop functionality that can display, print, and print preview any file as a hex dump. HexView was created as a supplement to our utility, Search and Replace. However, it is a standalone application and it does not require Search and Replace. A Japanese version is also available.
Preview any file as a hex dump: HexView