Easy Weekly Calendar is a PHP class that can be used to show calendar of a given week. It takes the day, month, and year of a given date and generates an HTML table with the days of the week of the given day. The class also generates links to browse to the previous and the next weeks.
Google Calendar Chrome Extension adds a button to your browser toolbar that displays a preview of your calendar while you're navigating. (works on any page). If you're on certain sites where it detects the presence of events, the icon changes to a green "+". Clicking that icon lets you add the event to your Google Calendar, and shows you a Map (if there's a location it could detect.) Supported sites include Facebook, Evite, and any site that uses the hCalendar microformat or derivative microformats such as hResume.
Time Star is calendar-based software to make bookings, manage work, and issue quotations, job sheets, invoices, and receipts. Full e-commerce facilities, content management, and a whole range of additional work management features are available. Set reminders and get an email with the details. Place a booking by adding an event into the calendar. Manage your jobs in day, week, and month views. You can create and manage user accounts. Mark jobs as complete then set account terms for payment. Manage complete and incomplete work. Add materials / parts and suppliers to your invoices as well as 3rd party fees. Add extra information about your jobs by setting fields and uploading files and images. Check paid and unpaid customer accounts Generate quotations, job sheets, invoices, and receipts to send to your clients. Take payments online for your completed jobs. Create graphs using client, work, and financial data.
HordeZpush provides ActiveSync synchronisation between smartphones, PDAs, and Horde groupware. It is based on the Zpush project and adds backends that synchronize contacts and calendars with Horde. It has been tested with Horde 3.3.5, Kronolith 2.3.2, Turba 2.3.2, and Z-Push 1.2.1.