SharePoint Manager 2013 (2010)
The SharePoint Manager 2013 is a SharePoint object model explorer. It enables you to browse every site on the local farm and view every property.Link: http://spm.codeplex.com/SharePoint 2010 Version: http://spm.codeplex.com/downloads/get/526736
Stramit SharePoint Caml Viewer
Tool to help you write a correct CAML Query.Link: http://spcamlviewer.codeplex.com/
SharePoint CAML Query Helper
Use this program to help build and test SharePoint CAML Queries (Collaborative Application Markup Language). Compatible with WSS 3.0, MOSS 2007, Foundation 2010, SharePoint 2010, and now SharePoint 2013.Link: http://spcamlqueryhelper.codeplex.com/
SPServices is a jQuery library which abstracts SharePoint's Web Services and makes them easier to use. It also includes functions which use the various Web Service operations to provide more useful (and cool) capabilities. It works entirely client side and requires no server install.Link: http://spservices.codeplex.com/
Some great utilities tools to help you create boot disks.
RufusRufus is a small utility that helps format and create bootable USB flash drives, such as USB keys/pendrives, memory sticks, etc http://rufus.akeo.ie/
UNetbootinUNetbootin allows you to create bootable Live USB drives for Ubuntu, Fedora, and other Linux distributions without burning a CD. http://unetbootin.sourceforge.net/
Windows 7USB/DVD Download ToolThe Windows 7 USB/DVD Download tool allows you to create a copy of your Windows ISO file on a USB flash drive or a DVD. To create a bootable DVD or USB flash drive, download the ISO file and then run the Windows 7 USB/DVD Download tool. Once this is done, you can install Windows directly from the USB flash drive or DVD. http://www.microsoftstore.com/store/msusa/html/pbPage.Help_Win7_usbdvd_dwnTool
Java Decompiler JD-GUI
"JD-GUI is a standalone graphical utility that displays Java source codes of “.class” files. You can browse the reconstructed source code with the JD-GUI for instant access to methods and fields."
Subversion tools for the windows programmer.