Tine 2.0 is a Web-based groupware solution that focuses on usability and correctness. To achieve these goals, the project uses usability experts and covers most of the code by unit tests. It contains support for contacts, tasks, calendar, email, CRM, VoIP integration, a time tracker, ActiveSync, and a flexible rights management system.
todoyu is a powerful project and task management system. The core features are project handling, time tracking, time sheets, resource management, calendar, customizable reporting, keeping track of communication and decisions, invoicing directly from tracked time, and address management of customers and employees. It improves billing accuracy and timeliness, and removes risk from the billing process. A todoyu customer's clients get visibility into the project work done on their behalf. The system is extensible with additional modules. The system is completely Web based and translated in 12 languages.
DAViCal is a server implementation of the CalDAV protocol for storing calendaring resources (in iCalendar format) on a remote shared server. An increasing number of calendar clients support the maintenance of shared remote calendars through CalDAV including Mozilla Calendar (Sunbird/Lightning), Evolution, Mulberry, Chandler, and various other closed-source products such as Apple's iCal and iPhone. DAViCal supports basic delegation of read/write access among calendar users, multiple users or clients reading and writing the same calendar entries over time, and scheduling of meetings with free/busy time displayed.
tngCalendar is a Web calendar addon to the TNG software for online genealogy. It adds a convenient view of your family history, overlaying anniversaries of births, deaths, and marriages on top of an easy-to-understand calendar. It can be dropped in-place over a commercial TNG installation, or installed in a parallel directory.
Bedework is an open-source enterprise calendar system that supports public, personal, and group calendaring. It is designed to conform to current calendaring standards (iCalendar RFC 2445 iCal, iTIP: RFC 2446, CalDAV: RFC 4791, VVENUE) with a goal of attaining strong interoperability between other calendaring systems and clients (Mozilla Lightning, Apple iCal). Bedework is built with an emphasis on higher education, though it is used by many commercial enterprises. You may choose to deploy Bedework for public events calendaring, personal calendaring and scheduling, or both. It is suitable for embedding in other applications or in portals and has been deployed across a wide range of environments.
EasyPhpEventCalendar is a PHP class that allows you to display an event calendar on your Web site. The calendar is clean, easy to integrate, easy to use, and easy to navigate. It will display events up to 12 months in the future. The event itself can be styled and formatted as you wish by providing the appropriate HTML markup. You can add as many events as you would like. You can use full HTML markup to enhance the appearance of the events. You can add events manually, read events from files, or read them from a database. How you manage your events is up to you; the class is designed to display them only.