AiSchedul - Make Each Instagram Post Count
Later - Schedule and manage your Instagram posts
SproutSocial - Sprout Social is a social media management tool created to help businesses find new customers & grow their social media presence. Try it for free.
Grum - Post on Instagram from your computer!
Tailwind App - Tailwind is an Instagram and Pinterest marketing platform for brands and agencies.
Uplet - Uplet is an easy-to-use bulk Instagram uploader for Mac.