title: Open-source webmail client that works with GMail API easily
body: <p>Excuse me for my stupid question, but I am a complete newbie to webmail clients, SMTP &amp; IMAP, etc. So, my question is, is there any open-source webmail client that can work easily with Gmail API, like for example, to visualize emails, folders, settings, to send messages and so on? I am trying to connect to Gmail with NodeJS. So, when I finally got the data, what is the next step?</p>