Refined Twitter - A browser extension that improves the Twitter experience
Nofanity - Nofanity removes swear words from YouTube videos
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.
Detox for Facebook - Replace your Facebook feed with PH, HN, DN and more.
ilo - Premium Twitter analytics
Nofanity Music - Remove profanity from music on Spotify or Apple Music