GSG is a software utility to help Macintosh users create custom modem scripts to connect using a GPRS compatible mobile phone. GSG contain presets for many mobile network operators around the world and can build customized Modem Scripts in few clicks
Virtual Mechanics SiteSpinner Pro is a web authoring tool that makes it easy to design sites for the web and mobile devices without having to know HTML. Opera technology enables the user to design and preview pages as they'll look on all devices.
Notepad Mobile, by Orneta is a simple and easy to use text editor and viewer for Windows Mobile based devices. You can create, view and edit simple or complex documents with ease. Notepad Mobile supports any type of text file.
CSE HTML Validator Lite is a fast, easy to use, and FREE HTML & CSS development tool for Microsoft Windows that helps you create problem-free HTML, CSS, and XHTML documents. It's also an excellent learning tool.