Refined Twitter - A browser extension that improves the Twitter experience
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.
Nofanity - Nofanity removes swear words from YouTube videos
ilo - Premium Twitter analytics
Detox for Facebook - Replace your Facebook feed with PH, HN, DN and more.
Maker Swipe File - 100+ high-performing Tweets to help you grow your audience