OneUp - Schedule and automate posts on Facebook, Instagram, Twitter, Pinterest, LinkedIn, and Google My Business.
Later - Schedule and manage your Instagram posts
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.
Grum - Post on Instagram from your computer!
Smaller - Make your websites load faster
Uplet - Uplet is an easy-to-use bulk Instagram uploader for Mac.