Do You Even List? - Auto updating Twitter list of people you interact with most

Grabbly - A simple and elegant tool for all your data extraction needs

Listr - Listr lets you explore some of the best lists on Twitter, curated across your favorite categories.

Email Parser - Email Parser bridges the gap between the emails you receive and Excel files, Google Sheets and databases. It can capture text from incoming invoices, orders, receipts within the email or the attachments

Vicariously.io - Create Twitter lists based on the follows of other users

QuickTwit - What's Trending In Your Favourite Topics of Interest