No specific info about version 3.0. Please visit the main page of SharePort Utility on Mac Informer.
Swift Share is a system utility that lets you share folders more easily.
CamRanger Share allows you to share images and live views.
Share Tunes 2 allows you to share your taste in music on the Mac App Store.
Bosco's Screen Share allows easy, free, cross-platform screen sharing.
Memeo Share allows you to share your most valuable photos and videos.