It is an AI email writer called Letty summarized from the article. Letty can improve your emails by suggesting replies and helping you to craft the perfect tone. Letty offers a free plan with limited features, and paid plans with more credits and features.

Canary Mail is a desktop and mobile email client that focuses on security and privacy. It offers a variety of features, including: End-to-end encryption: Canary Mail encrypts all of your emails by default, even if you are sending them to someone who is not using Canary Mail. Privacy features: Canary Mail offers a variety of…

Superhuman is an email client that is designed to help users be more productive and efficient with their email. It offers a number of features that are not found in other email clients, such as: Keyboard shortcuts: Superhuman has a comprehensive set of keyboard shortcuts that allow users to quickly navigate their email and perform…