Akismet checks your comments against the Akismet Web service to see if they look like spam or not and lets you review the spam it catches under your blog's "Comments" admin screen.
Major features in Akismet include:
PS: You'll need an Akismet.com API key to use it. Keys are free for personal blogs; paid subscriptions are available for businesses and commercial sites.
Here is the Akismet wordpress plugin download link you can download and install to your Wordpress blog
Save anything you like from the web into your Flipboard.
A little logic game.
MobyMax is a free, complete curriculum for K-8 Math and Reading including monitoring, Messenger, Vibes,...
a slick and reliable timer app for Google Chrome
An interactive 3D visualization of the stellar neighborhood, including over 100,000 nearby stars.