Hashtracking - Powerful tracking for hashtags
Hashtag Suggestions for Instagram - Find the best hashtags for every photo
Flick - Grow your Instagram with quality hashtags
Tagsdock - Tag Instagram photos instantly from your iOS keyboard.
RiteTag - No idea which hashtags to use? Get instant hashtag suggestions for images and texts on desktop and mobile.
Jetpack App - The fastest way to copy your hashtags for Instagram