Delta Chat

Delta Chat is a project that aims to create a messaging app that is completely compatible to the existing e-mail infrastructure.

So, with Delta Chat you get the ease of well-known messengers with the reach of e-mail. Moreover, you're independent from other companies or services -- as your data are not related to Delta Chat, you won't even add new dependencies here.

Some features at a glance:

• Secure with automatic end-to-end-encryption, supporting the new Autocrypt standard
• Fast by the use of Push-IMAP
• Largest userbase -- receivers not using Delta Chat can be reached as well
• Compatible -- not only to itself
• Elegant and simple user interface
• Distributed system
• No Spam -- only messages of known users are shown by default
• Reliable -- safe for professional use
• Trustworthy -- can even be used for business messages
• Fully OpenSource and Standards based