BoardingBot vs SkySignature

Send TestFlight invites automatically

BoardingBot will create a site for your app, with screenshots taken from iTunes and an option for beta testers to request a TestFlight invite.
BoardingBot also supplies a Facebook chat bot which can send TestFlight invites.

Free Digital Signature Software as a Service (SaaS)

SkySignature is an online Digital Signature application. Fast, Easy and straight forward. Free for personal use. Very flexible and intuitive. It is fully loaded with many helpful features and PDF editing tools such as type anywhere capability available exclusively only on SkySignature.com. More features such as Sign-Here tags that can be dragged and dropped onto the document. Allows to create a new PDF document out of the individual pages from existing PDF Documents. SkySignature uses a custom, unique advanced encryption algorithm to ensure security.