Development

Database

• Database Browser Portable - Manage multiple databases

Packaging

• NSIS Portable - Windows installer and launcher creation
• PortableApps.com Installer - the easy way to package portable apps

Portablization

• PortableApps.com Launcher - make apps portable without writing code

Servers

• XAMPP - Apache, mySQL, PHP, phpMyAdmin and more in an integrated package

Text Editors

• gVim Portable - advanced, feature-rich text editor
• Notepad++ Portable - A full-featured text editor with syntax highlighting

Web Editors

• KompoZer Portable (formerly Nvu) - The easy-to-use web editor