Picture.io - Klout score for Instagram. See how insta famous you are. 📷✨
Tagsdock - Tag Instagram photos instantly from your iOS keyboard.
Roundio - Explore what people posted to Instagram or Flickr near you
RiteTag - No idea which hashtags to use? Get instant hashtag suggestions for images and texts on desktop and mobile.
Bulk Pinner - Pin multiple images to your Pinterest boards at once 📌
Hashtag Suggestions for Instagram - Find the best hashtags for every photo