Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.
Sidebird - Notion to Twitter thread.
Twitterrific - Twitterific is an app that offers several functions and fun features for your Twitter account.
TweetNest - Build your real Twitter audience 80% faster
Fenix for Twitter - A fresh Twitter experience, for Android
Maker Swipe File - 100+ high-performing Tweets to help you grow your audience