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

Saysimple - Saysimple is a business communication platform that helps small businesses communicate faster and more effectively with their customers.

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

Whelp - AI-based Omni channel customer support platform with chat bot system (On premise and cloud based)

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

Tendant - Tendant Chat is a cloud-based platform that connects your customers to your business through text, video, and live video.