PUBLIC MARKS with tags website_tools & system

Commentful is a service that watches comments/follow-ups on Blog posts, Digg submissions, Flickr galleries, and many other types of content. When ever there is an update, i.e a new follow-up, Commentful notifies you instantly.

Google Friend Connect is a service that helps site owners easily provide social features for their visitors. Users gain the ability to sign in to, make friends on, and interact with your site, making it more social and more dynamic. No programming expertise is required: just paste a snippet of code that we provide onto your site. Learn how to set up your site. As a user visiting friend connected sites, you can become members of sites and interact with other members who share your interests. You can also invite your friends from orkut, Google Talk, and other social networks to join the community. No need to create a new account for the site: simply use your Google, Yahoo!, AOL, or other OpenID account.