Fleck Lite

Fleck Lite, for Twitter users only

Drag this bookmarklet to your browsers toolbar:

Fleck Tweet

Share interesting websites on Twitter. We shorten your URL and save all your shared links.
Where bookmarking meets Twitter. Super simple

Twitter + Yahoo Pipes

Via Conversations: How to create a Yahoo Pipe of your friends’ tweets that contain URLs: 

Here are the steps once you create your Yahoo or Pipes account:

1. Go to your Twitter home page and grab the RSS feed.  If you have trouble finding it, it’s at the bottom lower left of the page and looks something like this: http://twitter.com/statuses/friends_timeline/915051.rss
2. Go to this Yahoo Pipes page and "clone" the pipe. You’ll find the "clone" button center-screen, just above RSS feed icon.
3. Click on "edit source", which gives you a screen like this:
   
4. Replace the Twitter feed in the clone with your own (see step 1). Save (upper right of the Pipes screen) and publish.
5. Grab the RSS feed and subscribe in whatever aggregator you use.

Twit-it

Twit-it! is an online app that allows you to send tweets to twitter about things you are looking on internet on that moment. The app works via a browser bookmarklet or a button you have embedded on your own blog or site.

Twiffid

Twiffid is a site that automatically detects the feeds of the websites your Twitter friends have listed in their Twitter profiles and presents them to you in a Twitter-like format. Feeds are fetched and cached on their server using a queue system, so you might need to reload a few times before getting a result. To use Twiffid, enter in your username and password. You also have the option to send a tweet to let everyone know you’re using the service.

EasyTweets

EasyTweets is a web-based tool that lets you manage and post to multiple Twitter accounts. The service offers several features including automatic URL-shortening, the ability to type more than 140 characters, the ability to have your blog linked to Twitter to auto-post blog entries, and a scheduling feature. You can also use EasyTweets to track replies and see a list of your followers.

TwitterBuzz

TwitterBuzz shows you what people are talking about on Twitter by listing the most popular links over the last day. The number one link is tinyurl.com, so they must not be parsing links too well.

Twii.it

Twii.it is a browser plugin (both IE and Firefox) that lets you share bookmarks with your Twitter friends. Any blog owner can add a Twii.it button to a post to have the post “tweeted” to all of their followers.

TweetMarks

TweetMarks combines Twitter and bookmarking to store all the links you share as well as those that have been hashtagged or retweeted. To use the service, sign in with your Twitter credentials. You’ll be able to add all links tweeted so far back to April 2008. You can even sync your TweetMarks with your del.icio.us account.

TweetSmart

TweetSmart is a Twitter link blog that keeps tracks of real-time commentary from the Twittersphere. To post to TweetSmart, you have to follow the Twitter user twsm then contact them and have them follow you back. To post to the TweetSmart service, tweet in the following format:

d twsm category message

Tweetlists

Tweetlists keeps track of the links that are tweeted on the Twitter public timeline and ranking them by popularity (the number of times they’ve been tweeted). You can see a live stream of tweets, the most popular tweets, links tweeted by the “twitterati”, and the most popular URLs tweeted.