I ran original seti a few years ago. I have no idea why I stopped but I did. After surfing around one day I came across BOINC and I thought why not get searching again.
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.