A web based notes manager

 The Mnemo Note Manager is the Horde notes/memos application. It allows users
 to keep web-based notes and freeform text. Notes may be shared with other
 users via shared notepads. It requires the Horde Application Framework and an
 SQL database or Kolab server for backend storage.
 .
 This package is part of Horde, a web application Framework written in PHP with
 modules like IMP (webmail), Turba (contacts), Kronolith (calendar), Nag (task
 list), Gollem (file manager), etc.