Evolution is an online office suite and productivity platform that helps you to manage your documents, tasks, emails, and more. It offers a suite of tools to help you organize, collaborate, and stay productive. You can create and share documents, manage tasks and emails, and track progress from anywhere. Evolution also provides features such as auto-complete, spell check, and auto-formatting. It also offers a range of integrations for popular third-party apps and services, including Office 365, Salesforce, Dropbox, and Google Drive. It includes collaboration tools like chat, video conferencing, and a virtual whiteboard. With its modern design and easy-to-use interface, Evolution helps you to stay organized and productive.
The discontinued Opera Mail is no longer updated and is no longer supported, but the latest version, 1.0.1044, released in February 2016, can still be downloaded from the official website.
It is just a simple email client and has no calendar support.
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It is only an email client, it has no calendar and CalDav support.