HSHTG - Generate, manage, save and edit hashtags just in a few finger tap
Flick - Grow your Instagram with quality hashtags
hashtags.org - Hashtag is an extensive hashtag research platform for analytics and tracking of hashtags, providing...
Tagsdock - Tag Instagram photos instantly from your iOS keyboard.
Jetpack App - The fastest way to copy your hashtags for Instagram
RiteBoost - Auto-hashtags, Auto-emojis, GIFs and much, much more, all according to your Enahce rules.