StackSocial offers downloads of Mac Bundle 4.0 for whatever you want to pay. If you opt to pay the bare minimum of $1.01, you'll get MacX Mobile Video Converter, PDF Converter Pro for Mac, and Projects in iOS E-Learning Course. That's at least $75 under the lowest price we could find for these apps elsewhere. If you pay the average, currently $6.88, you'll also get RapidWeaver 5, TuneUp, Disk Drill Pro 2.0, CrossOver 13 for Mac, Voila, Snapheal Pro, and mSecure for Mac, a total savings of $379. Note that 10% of your contribution is donated to charity (Child's Play, World Wildlife Fund, or Creative Commons). Deal ends May 5.