Proton Mail Bridge application
Take back control of your email with this mail server in a box
Lightweight Open Source webmail written in PHP and JavaScript
Client daemon to move mail from POP and IMAP to your local computer
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Interactive spam removal utility
Simple, modern & fast web-based email client
IMAP to IMAP Copy
an 'auto-reply' bot for your mail server
To synch and encrypt all sorts of data across different sources
Business webmail modular application with mobile client
Synology package to hibernate while running Mail Station & Server
ImpraStorage provided a private imap access to store large files
javascript to convert thunderbird/seamonkey filters to sieve rules