Allscoop RSS Submit
Allscoop RSS Submit Pro instantly and automatically submits your RSS feeds and blogs to all of the major RSS feed directories on the Internet.
RSS feeds are the fastest growing way to promote your site. Submit your blog or other rss feed to directories will help to drive traffic to your site and blog. RSS Submit pro can site submit your site to all the major RSS directories in just a few minutes. This freeware RSS software works on all Windows platforms and is a snap to install.
Click here to visit Allscoop RSS Submit Pro site
Pingler
Blog and Ping Tool
This is an online blog and ping tool which is totally free.
As per the site description:
A basic premium account allows you to store 25 Links (URLs) in your account. These links will be automatically pinged every three days. A premium account not only saves you the hassle of having to ping each of your links manually, it also ensures that pinging is performed frequently and in a timely manner. You can also benefit from the many tools and plugins we offer.
Feed Shark
Ping your blog, feed, or podcast for free with Feed Shark
Feed Shark is a free online tool that easily promotes your blog or website – with the simple push of a button! Feed Shark pings a variety of services to notify the world that your blog, website, RSS feed, or podcast has recently been updated or created! It takes less than a minute to use Feed Shark and saves you countless hours of time in the process! Enjoy our service and have fun!