Visual Studio 2013 now has a community edition. See the Q&A on that page to see if you can use it.
Spy++ is included in the community edition. I had to launch the "Developer Command Prompt for VS2013" and then run the spyxx.exe executable from that command prompt. Searching for "spy++" or "spyxx" in the "Search programs and files" entry box on the (Windows 7) start menu didn't find it.
