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

Microlink - Extract structured data from any website

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

Schema API - Extract structured content from the semantic web

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

Mailparser - Extract data from e-mails. Automate your business.