Every summer, several of the premier Mac App Developers pull together with sales of their products, called SummerFest. This year’s SummerFest lineup is impressive including, among others, Tinderbox, Nisus Writer, Scrivener, PDFpen, DEVONthink, and HoudahSpot. There’s even more and they all are 25% off. The whole thing ends in a few days so if you’re interested, now’s the time.