Competitive Keyword Generator - Discover your best competitor comparison keywords — free
Tagsdock - Tag Instagram photos instantly from your iOS keyboard.
OneUp - Schedule and automate posts on Facebook, Instagram, Twitter, Pinterest, LinkedIn, and Google My Business.
Hashtagger - Hashtagger is an exciting platform that allows you to generate popular hashtags for Instagram.
HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
Friski - Search your Instagram posts