SnappyMail

Simple, modern, lightweight & fast web-based email client.

Booting with ~200 KB download (using Brotli) and up to 96% mobile performance grade by Lighthouse.

This is a fork of the much appreciated RainLoop, but with massive changes to be compatible with (mobile) browsers in 2020.

Checkout the source, releases and wiki at GitHub

Demo's

SnappyMail and RainLoop

Note: The RainLoop demo is missing root folders. It is reported as bug.

Lighthouse

Here's the mobile performance comparison of the two demo's on this server.
Taken with a 200Mb/s connection on a moderate Intel I5 PC.
You may do your own tests in the Chrome/Chromium developer tools.