Take back control of your email with this mail server in a box
Local, web-based mail server application. Slurp mails into oblivion!
Insular email distribution - mail server as Docker images
mailcow: dockerized
A serverless email server on AWS using S3 and SES
Simple, modern & fast web-based email client
an 'auto-reply' bot for your mail server
Host a personal portfolio in Google App Engine- Python
Webkosa is the open source edition of Webcrossing.
A lite version of mailinator for developer use