Blue-Mind
Blue Mind is a complete solution of company messaging, calendars and collaborative work.
OBM
OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.
turboSMTP
turboSMTP is a reliable, powerful, easy-to-use SMTP server that maximizes the deliverability of all…
OpenChange
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and…
SOGo
SOGo is groupware server with a focus on scalability and open standards.
Expanding Communication
Turnkey Solutions for the Enterprise Cloud.
Zarafa
Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile…
Kopano
Sharing & communication software for business.
Mail-in-a-box
Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
Kerio Connect
KerioConnect is a commercial mail and groupware server.
