Start-ups in the city- SFBeta mixer

Start-ups in the city: SFBeta mixer
Chesspark: Chess meets Web 2.0.Play against the site's own bots or mix it up with other members. Rich functionality on the Web site. There's a download, too. The service does not appear to support wagering, so Chess hustlers will have to head elsewhere.SoftSearch: Helps you find business software apps for your particular industry or function.FreePledge: Site that collects affiliate marketing fees from big online retailers on your behalf and gives them to charity. An easy way to do good (reminder: you can also just donate money to your favorite charity directly).Rightround: Site by and for indie musicians and the people who listen to them.Previously coveredSpotDJ: Cool service that lets you listen to--and record--commentary blurbs between your iTunes music tracks. Webware review.Kongregate: Flash games site. Recently got a big pile of venture money, so should have some new features coming soon. Review; News.Xcellery: Makes Excel spreadsheets collaborative over the Web. A Webware Top Five Under the Radar pick. See also our review.Fliptrack: Makes slideshows with music. Review.Wrike: Project management through e-mail. Review. This company also presented at last week's Stirr event.Prosper: Lets you lend to, or borrow from, other Prosper users. See our previous review.Facebook: Right. Them. Don't know if they have anything new to show us tonight. We'll check.