ScreenTray - A better way to capture, annotate and share screenshots
Firefox Send - A file sharing which allows you to send encrypted files to other users.
Blink - Blink is a team and employee app, with a Feed, Chat and Hub (for documents, links, files).
Infinit - Fast, elegant and unlimited file transfer application (Mac)
Screely - Screely instantly generates dribbble-ready images. Simply upload your screenshot and we'll do the rest.
Chipit - Store and tag all your screenshots.