Description:

OTRS is an Open source Ticket Request System with many features to
manage customer telephone calls and e-mails. It is distributed under
the GNU General Public License (GPL) and tested on Linux, Solaris,
AIX, FreeBSD and MacOS X. Do you receive many e-mails and want to
answer them with a team of agents? You're going to love the OTRS!

Feature list:
- web-interface: easy and logical to use, with agent, admin and
customer views, themes support, multi language support, customizable
templates, attachments support
- email-interface with MIME attachments support, dispatching mail via
address or x-header, autoresponders for customers, notifications to
the agent
- tickets with customizable views, locking, replying, autoresponders,
history, ability to add notes, email bouncing/forwarding, priorities,
time accounting, content full-text search
- system with creation and configuration of user accounts, groups,
standard responses, signatures, notifications for administrators and
problem reporters, deadlines for trouble tickets, settable ticket
number format, different levels of permissions/access-rights, central
database (MySQL, PostgreSQL, ...), user authentication against
database or LDAP directory, easy addons and frontends development.