SendTheHappiness.com is a website which helps you to create custom web pages, for different occassions or festivals, days and events..
It is totally free and one can create fully dynamic pages, you can even share the web pages to your loved ones.
You can wish your friends and family online.
You can wish on special events like birthdays, anniversaries and special achievements.
As it is very easy to edit a web page here and send it individually to as many people you want for free.