TweepsBook - A better bookmarking tool for power Twitter users that you can use to filter, organize and bookmark tweets on your liking.
Twitter Bookmarks - Create shortcuts to your favorite users/tweets on Twitter
Tweetflick - Save, organize & find Tweets to get the most out of Twitter
TWRL - It's like merging Instagram and Texting into one platform.
Slideit - Save any tweet to your notion database automatically.
Siimpl Bookmarking - Start collecting and organizing what interests you