MultiSchedule   
http://www.atx.be

Networking calendars MultiSchedule is a calendar software application that can be used on a network or on just one computer. Multiple users can use multiple computers to input/view/edit calendar events simultaneously in real time. All data are stored on a central server/computer. No dedicated server/computer is needed. The client side software can coexist with the server side software on one computer. It works for both Peer-to-Peer network and Client/Server network. Connect to the calendar server through Internet If you have a server that is accessible over the Internet, MultiSchedule will be able to connect to the server over the Internet! We recommend that you use a DSL/ADSL or Cable modem to connect to the server if you are connecting to it over Internet to get the best result. If you don't have a server you can use the "Hosted" version of MultiSchedule and we will take care of your database on our servers which have a super fast connection. This way you don't have to bother about your calendar data, you will be able to access it on every computer that has Internet access. Synchronize with MS Outlook MultiSchedule is able to do two-way synchronization with MS Outlook. This way you can synchronize your calendar with your MS Outlook, without having to buy an extremely expensive MS Exchange Server. From MS Outlook you can Sync again to your PDA with your standard PDA-sync-software. Custom appointment / task properties Customizable appointment / task properties. Set up your own appointment and task properties. You can organize your appointments with these custom properties. For example: You add a custom field Invoiced or Paid to your calendar-items. This way you can check if an appointment has been paid for or has been invoiced already.

OrgScheduler   
http://www.binary-house.com

OrgScheduler is a universal scheduling system for your individual, offices, business events with unrivaled features and flexibility. Building upon the interface options introduced in Microsoft Outlook, OrgScheduler includes importing from Outlook, exporting to Outlook, Text, Html, Xml, Excel formats. Different time display options in the day view (including those events that span multiple days), 11 event coloring types to indicate an event's kind/importance, automatic hints that display an event's start and end time together with its caption, multiple look and feel styles, event recurrence control, customizable Date Navigator, comprehensive reminders - all of this is at your disposal! The format of calendar according to your regional settings. The OrgScheduler control provides many types of views: Day, Week, Month, Quarter, Year, all days or work days only and vertical, horizontal timeline views. Also Print Designer system enables to easily design and print elegant reports.

Barca   
http://www.pocosystems.com

Barca is a seamless integration of a powerful email program, personal information manager, planner and RSS reader. Aimed at the professional and small business market, Barca provides a single interface to manage all your information in a safe environment. This includes planning and scheduling tasks and appointments, communicating with others, and collaborate on team projects. It includes Notes and Diaries to make information recording quick and convenient, and interface Sections to make sure your valuable data is at your fingertips. Barca's email capability features built-in Bayesian spam filters, protecting users from viruses and spam, and is not susceptible to the virus vulnerabilities of Outlook and Outlook Express. Barca is fast, easy to use, scriptable, and flexible. Barca's email engine offers a fresh look with an easy-to-use interface and a flexible application Toolbar; optional vertical Index Pane with a full-page preview pane; POP, APOP, IMAP and SSL support; Email Console provides direct access to newly received email without the need to open the main application window; linked message support; mailbox-specific display options; comprehensive Templates support; multiple email accounts with many per-account options; Events that allow triggering of actions based on certain message conditions like replying to a message; powerful Search feature that collects and stores links to found items; running scripts to process messages; Filters that support many conditions and actions with unique message processors like Sanitize HTML that retains HTML formatting while rendering the message harmless from tracking and spying HTML bugs; ability to toggle Sanitize HTML and Strip HTML right from the preview pane to ensure that messages you view are always safe. Apart from those powerful features, Barca also supports more basic email functionality including mailing list support, HTML support, multiple address books, multiple signatures, nested mailboxes and many more.

MultiSchedule   
http://www.atx.be

Networking calendars MultiSchedule is a calendar software application that can be used on a network or on just one computer. Multiple users can use multiple computers to input/view/edit calendar events simultaneously in real time. All data are stored on a central server/computer. No dedicated server/computer is needed. The client side software can coexist with the server side software on one computer. It works for both Peer-to-Peer network and Client/Server network. Connect to the calendar server through Internet If you have a server that is accessible over the Internet, MultiSchedule will be able to connect to the server over the Internet! We recommend that you use a DSL/ADSL or Cable modem to connect to the server if you are connecting to it over Internet to get the best result. If you don't have a server you can use the "Hosted" version of MultiSchedule and we will take care of your database on our servers which have a super fast connection. This way you don't have to bother about your calendar data, you will be able to access it on every computer that has Internet access. Synchronize with MS Outlook MultiSchedule is able to do two-way synchronization with MS Outlook. This way you can synchronize your calendar with your MS Outlook, without having to buy an extremely expensive MS Exchange Server. From MS Outlook you can Sync again to your PDA with your standard PDA-sync-software. Custom appointment / task properties Customizable appointment / task properties. Set up your own appointment and task properties. You can organize your appointments with these custom properties. For example: You add a custom field Invoiced or Paid to your calendar-items. This way you can check if an appointment has been paid for or has been invoiced already.