Client daemon to move mail from POP and IMAP to your local computer
Lighweight CRM, easy to use Kickstarter for web based ERP
portable administration tool for LDAP, DNS, IMAP, PostgreSQL and more
Open source tool to monitor your servers and websites
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
ImpraStorage provided a private imap access to store large files
javascript to convert thunderbird/seamonkey filters to sieve rules
Webkosa is the open source edition of Webcrossing.
A free .NET library for accessing IMAP servers, written in C#
Sends external IP changes via email, using Imap.