Roundcube - Web-based IMAP email client
OneNeck IT Solutions - OneNeck provides a comprehensive suite of enterprise-class IT solutions that are customized to fit your specific needs.
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Codezero - Collaborative Local Microservices Development
HEY - Email at its best, new from Basecamp.
Cdw - cdw: ncurses interface for GNU/Linux command line CD/DVD tools