Listr - Listr lets you explore some of the best lists on Twitter, curated across your favorite categories.
Timo - Time and task management in your browser ⏲
Refined Twitter - A browser extension that improves the Twitter experience
Daily Routine - iOS app that schedules your day into key tasks
Vicariously.io - Create Twitter lists based on the follows of other users
Tinygain - Create, discover and develop productive daily routines.