TestFlight - iOS beta testing on the fly.
PiPer - A DIY Minecraft computer to build gadgets
Boombox.io - iOS devs rejoice! Embeddable HTML and hosted TestFlight beta sign-up forms.
Helium - Helium lets you accept payments by credit card for anything you want to sell online.
Applivery - Mobile Apps distribution system for Continuous deployment, Beta testing, Feedback, Bug reporting & Enterprise App distribution.
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica