Portable Free Apps : Use it And Enjoy it

Angry IP Scanner (or simply ipscan) is an open-source and cross-platform network scanner designed to be fast and simple to use. It scans IP addresses and ports. Angry IP scanner simply pings each IP address to check if it’s alive, then optionally it is resolving its hostname, determines the MAC address, scans ports, etc. The amount of gathered data about each host can be extended with plugins.

ToDoList - A simple and effective way to keep track of your current programming tasks.

ToDoList is a rare form of task management tool, one that allows you to repeatedly sub-divide your tasks into more manageable pieces whilst still presenting a clean and intuitive user experience.

There’re so many PHP IDE. It’s difficult to choose a good one. So try Dev-PHP, maybe it’s perfect to you.
Dev-PHP is a well-featured integrated development environment (IDE). You’ll be able to create scripts and applications using the PHP scripting language and the PHP-GTK library (both included in the “PHP Package”).

Blender is the free open source 3D content creation suite, available for all major operating systems under the GNU General Public License.

PSPad is a freeware programmer’s editor for Microsoft Windows operating systems, useful for people who:

* work with various programming environments
* like highlighted syntax in their source code
* need a small tool with simple controls and the capabilities of a mighty code editor
* are looking for a tool that handles plain text
* want to save time - PSPad offers rich text formating functions
* need tool what offer user extension capabilities
* want to save money and still have the functionality of professional products because PSPad is free for commercial and government purposes too