Iconosquare - Schedule now. We'll post on Instagram for you later!
GoatTracker - This is a crossplatform C64 music editor.
Later - Schedule and manage your Instagram posts
OnlineSequencer.net - OnlineSequencer.net is an online music sequencer that allows users to create beats and music tracks.
Storyheap - Manage your SnapChat and Instagram stories.
Jummbox - A modified Beepbox that have more stuff then Beepbox. It can be used just like Beepbox. The features of Jummbox is the same of Beepbox's features, but Jummbox have more stuff to offer.