Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
DBGL - DBGL is a free, open source, multiple frontends for DOSBox.
Newton Mail - Newton is a fully featured mail client available for Android, iOS, macOS and Windows.
RetriX - RetriX is an emulator front end for UWP, on all the hardware platforms it supports: it serves the...
Aqua Mail - Android Mail Client.
Terminal Launch V - For those that want a clean, simple fast emu frontend.