SOGo is a very fast and scalable modern collaboration suite (or groupware). It offers calendaring, address book management, and a full-featured Webmail client along with resource sharing and permission handling. It also makes use of documented standards (IMAP, CalDAV, CardDAV, etc.) and thereby provides native connectivity (without plugins) to many clients such as Microsoft Outlook, Apple iCal, the iPhone, Mozilla Lightning, and a plethora of mobile devices via SyncML. It can reuse any existing email and database infrastructure, avoiding long hours of site restructuring.
Moyobase is a Web application designed to manage all your data and information in one place. Its powerful customizable features allow you to structure data and quickly access important information. Colleagues and partners can add notes on a customer page so that the information is instantly shared among everyone involved. Moyobase keeps track of things to do and manages your tasks with due dates, priorities, and notes. You can also assign tasks to others. Moyobase can plot charts with any piece of information stored in your database.
Brim is a Web based information manager which manages bookmarks, agenda/calendar, contacts, tasks, notes, passwords, collections, and more. Brim is based on an MVC framework that uses items with a potential hierarchical relation as its base. It supports multiple themes, an unlimited number of items/folders, and has over 15 translations.
Blue Smiley Organizer is a Web-based script to manage your bookmarks, diary, reminders, to-do lists, contacts, knowledge, and file upload in a multi-user environment. It also includes its own live support help system, blogs, RSS feeds, customizable themes, and a discussion forum. It can also used as an AdSense ready application.
ConTagged is a Web-based address book for small companies. It features a public address book which is writable for all company staff and a personal address book for each staff member. Contacts can be grouped and looked up flexibly by assigning tags to them. It requires an existing LDAP server to authenticate users and to store the contact data.