This is the fourth in our series of top products of 2008:

1. Top 10 Semantic Web Products of 2008
2. Top 10 International Products of 2008
3. Top 10 Consumer Web Apps of 2008

About the Selections

These aren't all new products from 2008. They are the products in the RSS and syndication world that we think made the biggest impact or were the most useful.

To be honest, this was not a particularly good year for innovation in the RSS space. Too many of the products listed below are incumbents, several of which drove us crazy this year. They remain on the list, however, because they are incredibly useful and nothing topped them.

Some honorable mentions are deserved as well. We talked to many people who like RSS magazine-style start page Feedly, though we found it overly constrictive and don't feel that it's made a big market splash yet. We also found the Associated Press's AP Member Marketplace very interesting. Had we gotten a chance to get to know it better, it could very well have been on this list. Finally, we love African social media aggregator Afrigator - it's a great way to learn about what's happening all over the continent and it's a great use of RSS. We named it one of the Top 10 International Products of 2008 but we think it deserves an honorable mention in this category as well.

And Now the RWW Top 10 RSS and Syndication Products of 2008

Postrank

Formerly known as AideRSS, Postrank is simply the most useful RSS related application we've seen in a long time. Plug in any RSS feed and Postrank will rate each item in the feed on a scale of 1 to 10, by number of comments, inbound links, saves in Delicious, etc. You can then subscribe to a filtered feed of just the 10% most popular items in that feed.

We use Postrank all the time, in all kinds of contexts: from monitoring break-out stories in niche markets we don't follow closely, to finding out about the bread and butter of new blogs we discover to running search feeds through Postrank to surface hot conversations on any topic.

Postrank has been around for about a year and a half, but we write about it over and over again.

This year Postrank opened an API, made a bunch of deals with other companies, improved its service, raised a round of funding and just generally rocked.

FriendFeed

Social "life streaming" service FriendFeed is making syndication a more social activity than anything else has yet. The service aggregates your activity data from all around the web, lets your friends comment on it and shows you the activities of all your friends' friends when someone you know comments on something and exposes it to their network.

If RSS readers will change your life and work through their awesome usefulness, FriendFeed is a service that makes syndication fun. It's one of the first places we go on the web every morning.

We interviewed the ex-Googlers who founded FriendFeed last February and that interview is still the best place to learn how the service works under the hood.

If you'd like to connect with the ReadWriteWeb crew on FriendFeed (and we hope you will) we've posted a tour of our FriendFeed profile pages here. Please join us also in the ReadWriteWeb FriendFeed Room.

Gnip

Gnip is a social media ping server, a service that other services ask for user data updates from all around the web. There's nothing here for users, but almost every developer we talk to these days who is aggregating content in order to add value to it (and that is the name of the game) has Gnip on its radar. The company aims to make aggregation more timely, scalable and efficient than it is today.

We wrote about Gnip at length when the service launched in July.

Snackr

Snackr is a simple little RSS ticker built in Adobe AIR. Its frenetic and unstopping delivery of news is too much for many people, but the rest of us love it. It's where our eyes wander during page loads and other down times. Many of the stories you read here at ReadWriteWeb were based on things we first caught wind of through Snackr.

Snackr was built in-house at Adobe by Flex team member Narciso Jaramillo. We reviewed it in May and have been using it ever since.

Google Reader

Google Reader is the market leader in full featured RSS readers, having pulled ahead of the troubled Bloglines in recent months. This year Google Reader has made their sharing feature much more transparent, added the ability to translate any feed into a number of different languages and recently redesigned.

It hasn't been a super exciting year for the product, and there are still basic problems like very infrequent caching of rare feeds, but Google Reader's incredible dominance in the field makes it a required part of this list.