Citadel

Software suite including calendars, address books, notepad, project management tools, client...

Email, calendar, collaboration server with Web interface and lots of integrations

All-in-one solution for saving, synchronizing, viewing, editing and sharing files, calendars,...

Collaborative wiki and documentation software

Software for digital collaboration in companies and organizations. From powerful groupware...

Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing...