DaySpring is Christian free ecard site with free ecards which are updated every day. You can choose between categories: Encouragement, Friendship, Prayer, Christian Occasions, Congratulations, Baby, Love & Romance, Get Well, Sympathy, Sorry, Graduation, Christian Music Collection, The Four Seasons, Birthday, Thinking of You, Just for Fun, Thanks, Marriage, Miss You, Kids and many others. All these ecards have a beautiful messages with nice music background.
On the top of the homepage you can find other Bible verses for each day.
You can really find a lot of beautiful ecards made in Flash.
Registration is not required and you can send these beautiful ecards for free with their blessing.
Except ecards on their homepage you can find also a nice Gift Ideas for your Pastor, friends or relatives. 

Christianecards.com is a site offering a lot of free ecards especialy for Christians. All ecards are sorted in 11 categories and you can choose between: Animals, Birthday, Comfort, Encouragement, Evangelize, Forgiveness, Get Well, Humor, Love, Praise Reports or Thinking of You category.
Below categories on the left side of the homepage you will find collection of ecards from Bud Katich and Green Pastures.
In the middle of the page you will see pictures from all categories.
You are not required to be a member, but if you wish you can join. It’s free and you will have a posibility to create cards faster, email reminders and your own adressbook.
Creation of ecard is very easy. First choose an ecard from categories, click on small pictures to see a larger version, personalize it, preview and send.

Care2.com is eco-friendly ecards site which contains ecards for any occasion. All those ecards are sorted in categories: Art, Birthday Cards, Celebrations & Events, Expressions, For Kids, Friendship E-Cards, Fun & Games, Holidays, Love, Nonprofit Organizations, Pets, Religion E-Cards, Sports, Wildlife and World. Some of the ecards are animated, some are made in Flash and some are animal related. These cute free ecards have a good music background also. The most interesting thing on this site is that all donations goes to save a rainforest or to save big cats and this is primary mission of Care2.com. You don’t need to give any money, just pick up one of these fun ecard, send them and you will cheer up your friend and help to save environment.

Cardmaster.com is another great free ecards site. They have a huge collection of free ecards sorted in many categories from A to Z like: Animals, Anniversary, Art, Birthday, Christmas, Engagement, Fathers Day, Friendship, Get Well, Good Luck, Graduation, Halloween, Humor, and so on. Except very easy navigation there is also a nice music background. Beside these lovely free ecards, in the middle of their homepage you can find a Flash ecards and animated ecards also. All you have to do is pick up one ecard, then fill the form with your and recipients email address and name and an ecard will be on it’s way.  

All-Yours.net is great free ecards site with very easy navigation. You will find a lot of funny categories and you can choose between: Love, Birthday, Humor, Everyday, Thank you, Friendship, Religion, Wedding, Just because, Miscellaneous and Holidays/Celebration.
Another interesting thing on the All-Yours.net is that they have a calendar on their home page with all usual and some unusual events for this month and this can be reason to cheer up some of your friends or relatives with funny ecard in their mailbox. 
When you send your ecard all you need to do is to choose an ecard, then fill the form and ecard is on the way to your friend or family.