Later - Schedule and manage your Instagram posts
Uplet - Uplet is an easy-to-use bulk Instagram uploader for Mac.
Grum - Post on Instagram from your computer!
InstaGhost - Upload photos directly from your PC to your Instagram account without needing your phone, schedule...
Combin Scheduler - Plan Instagram Posts and Stories for Automated Publishing
Buffer - Buffer makes it super easy to share any page you're reading. Keep your Buffer topped up and we automagically share them for you through the day.