Using Google Calendar Delphi Component you can easily add Google Calendar import, export and synchronization capabilities for any Delphi application within several hours.

Most of the official Google Calendar API is supported. You can directly add, delete and edit Calendars and Events within them.
 
Fully functional
Source: None
Price: $249
Exe-Demo Included

Data-aware components, including lookup component, tested with Interbase and Paradox. Advanced access to the array of enlightened data. Mouse and change event handlers presented. Fully international, Y2000 correct.
 
Fully functional
Source: Included

Features:

• Native VCL component (does not t require the use of the Common Controls DLL).
• Full standard windows help file describing all properties, events and methods of the component and related objects.
• Display 1 month or up to 10x10 months display. Control how many months are displayed in horizontal and in vertical dimensions.
• Adapt to the system local - month and days names appear in the language of the system locale.
• Change the week starting day (Sunday is the default)
• Smooth display - no flickering.
• Allow the user to move forward and backward in time with navigation arrows on calendar sides.
• Allow the user to navigate the calendar with a popup smooth scroll month selection list box
• Mark a specific dates (like Outlook, in bold font, or any other way you choose) with a callable event handler.
• Provide your own custom drawing routines for the dates and months captions.
• Provide your own custom drawing routines for the days titles.
• And much more...

Some functions: IncYear, IncMonth, IncDay, DecYear, DecMonth, DecDay, GotoYear, GotoMonth, GotoDay, ConvertDate, ConvertYear.
 
Fully functional
Source: Included
Exe-Demo Included

Features:

• Calendar with sophisticated opacity and fill
• Includes month selector, year selector views
• Single date select or date range selection
• Support for background images, texture fill, gradients, hatch
• Built-in color settings for Office 2003 / Office 2007 styles
• Optional animation between next/prev month, month selector, year selector
• Optional ISO calculated week number indication
• Optional Today indication and "goto today" footer
• Optional shadow
• Anti aliasing support
• TMS TAdvFormStyler compatible for instant switch between Office 2003 / Office 2007 styles.

• Set all colors, font and start day of the week.
• Show week number and control on which day of year week counting should start
• Keyboard support : up/down/left/right arrows change day resp. +7/-7 -1/+1 day.
• Spacebar toggles between day & month mode.
• PgUp and PgDn changes month resp. +1/-1 month.
• Read-only property returns week of the year of selected date
• Enable or disable month selection.

• Includes DB-aware and non DB-aware calendar
• Includes DB-aware and non DB-aware datepicker
• Includes multimonth calendar
• Set all colors and fonts of days, weekend, months, week number
• XP, Office 2003, Office 2007, VS.NET 2005 visual style support
• Configurable start day of the week.
• Show weeknumber and control on which day of year week counting should start
• Keyboard support: up/down/left/right arrows change day resp. +7/-7 -1/+1 day.
• PgUp and PgDn changes month resp. +1/-1 month.
• Enable or disable month selection
• Customizable highlights and hints for special days
• Multi selection or single selection
• Wallpaper background
• Min. & max selectable days
• DB-aware version included for linking with TMS TDBPlanner (shows automatically all days).

• Multi month calendar panel
• Events with different colors, shapes, hints
• Multiselect
• Background textures
• Extensive font, color and language customizaton
• Week display
• Full week, full day select
• Autosizing at runtime
• Includes DB-aware version for use with TMS TDBPlanner.

• Add-on for TPlanner and TDBPlanner components
• Can read events from vCalendar files to easily import events into TPlanner and TDBPlanner
• Can write events to vCalendar files to easily export events from TPlanner and TDBPlanner.

• Calendar navigation header which includes Windows-style month ComboBox, year SpinEdit, and buttons to increase and decrease the date
• User can hide the calendar navigation header to create a custom control interface
• Calendar day cells can be customized to any height and width
• Supports background bitmaps for each month, with ability to stretch bitmaps to fit entire calendar area
• User can override the month and day of the week names to support foreign languages
• Starting day of the week can be changed to support foreign calendars
• Cell messages, background color and text color can be defined for the whole calendar area, or individually by each cell
• Calendar specific events to easily control navigation
• Ability to enter text messages for each calendar day
• Demo program with source included to demonstrate how to use major capabilities
• Many more...