What are some alternatives?
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Amazon Kinesis - Amazon Kinesis services make it easy to work with real-time streaming data in the AWS cloud.
Gmail - Gmail is a free search-based web-mail service.
Azure Stream Analytics - Azure Stream Analytics offers real-time stream processing in the cloud.
Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
ThingSpeak - Open source data platform for the Internet of Things. ThingSpeak Features