Packrati.us = Twitter + Delicious
This site provides a simple bookmarking service. It follow your twitterfeed, and whenever one of your tweets contains URLs, we add them to your delicious.com bookmarks. Optionally, bookmark URLs in @replies to you. They well even add a delicious tag identifying the sender if you like.
Link: http://packrati.us/
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Twerp Scanis a follow management tool where you can review 100 followers and then follow, unfollow or block with a single action. The drill down feature lets you review each user in greater detail to decide if you want to follow or not.
Link: http://www.twerpscan.com/en
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Google Buzz Sync enables you to seamlessly update your Facebook status from Google Buzz. You can send all buzz updates or selectively filter what’s published (by including an #fb tag in your buzz).
Link: http://www.facebook.com/apps/application.php?v=wall&id=327268316969
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BuzzIt! is a Google Chrome extension that send the page you are viewing to Google Buzz. It works in Google Chrome on all platforms – Windows, Mac and Linux.
From the developers that brought you Cheep, the simple Twitter Sharing Extension, comes BuzzIt! for Chrome, a really simple way to share whatever you’re viewing on [...]

BuzzAware a Google Buzz app directory. BuzzAware is started by the same folks behind Twitdom, a Twitter app directory with more than 1,500 apps.
Some of the apps in BuzzAware include:

Browser add-ons for Firefox (Buzz It!) and Chrome (Chrome Buzz)
Google Buzz desktop appbuilt on Adobe Air
Buzz buttons (Buzzr) and counters (BuzzStats) for your Website or [...]

Your buzz will automatically be sent to Twitter and will include a link back to your buzz, which means that all your Twitter followers can enjoy all photos, videos etc without having to follow you on Buzz. Messages can be longer than 140 characters as your followers can just hit the link to read [...]

GBD (Google Buzz Desktop) emulates the iPhone so it is like having the mobile version on your desktop. The client updated every 2 minutes, but without notifications it’s quite useless. Also, there’s no geolocation support – so basically you can do the same and more from your Gmail. Here are some screenshots – If [...]

Nokia Diagnostics is a free utility that can help you troubleshoot and resolve common problems with your Nokia phones.
Link: http://betalabs.nokia.com/apps/nokia-diagnostics
Nokia Diagnostics works with all S60 5th edition devices (like the N-series, Nokia 5800, etc.) while support for 3rd edition devices is expected soon.
Demo Video: http://www.youtube.com/watch?v=WS8SgOAqzYs

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Chrowety ia a Twitter client for Chromium or Chrome .
Download: http://code.google.com/p/chrowety/ Or: https://chrome.google.com/extensions/detail/ffcbeckjmgmgigkmnhmgjplmomcpfall
Current features:

Follow your Twitter’s lists
Translate tweets
Change Twitter API
Alerts that show you the most recents tweets
Share this video for fast sharing Youtube videos
Share this page button for fast content sharing
See your Home/Mentions/Messages/Favorites timelines
Change tweet font-size for better view
New Retweet (RT still [...]

Motally features a patent-pending technology for tracking and reporting usage statistics on mobile websites and applications.
Now featuring iPad, iPhone, BlackBerry, and Android application analytics! More platforms coming soon.
Link: http://www.motally.com/
Motally is a mobile analytics tracking and reporting service. Use one common interface to track both mobile websites and applications. Patent-pending technology successfully handles the nuances [...]

Quix is an extensible bookmarklet, that allows you to easily access all your bookmarks and bookmarklets, across all your browsers, while maintaining them in only one spot. All you have to do is remember the shortcut for the bookmarklet, so, basically, it’s like a command line for your browser!
Link: http://quixapp.com/
Quix comes with an enormous [...]

Seesmic Look is a unique way to immerse yourself in the real-time web. Optimized for Windows 7, this innovative interface allows you to feel the pulse of millions of users or be inspired by individuals of your specific interest.
Beginners learning to understand real-time can stay engaged and connected without even logging into Twitter, while [...]

BirdHerd makes it easy for groups, teams and brands to update a single Twitter account. Posting is as easy as sending a direct message to the group twitter account.
No more sharing of a single accounts username and password – BirdHerd lets you choose who is authorized to post from your group Twitter account.
No more [...]

PingWire displays images posted on various twitter image sharing sites such as twitpic, yfrog, twitgoo, tweetphoto, mobypicture, img.ly etc.
You get a real-time display with new images scrolling onto the screen. This can be a fun way to view images. Photos with the most retweets are displayed at the bottom of the screen.
Link: http://pingwire.com/
Via: twi5.com
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(via : wired )
Twitter co-founder Jack Dorsey announced his new company on Tuesday in appropriate fashion: with a tweet on the network he created in 2006. His new company, Square, allows merchants and individuals accept secure payment from credit (and other) cards using a mobile phone.
“The basic idea behind Square is that everyone has [...]

Put.io is a storage service that fetches media files and lets you stream them immediately
Put.io keeps redundant copies of your files. You can access your files from anywhere with anything that supports a browser. Like an iPhone (soon) or PS3.

Ssupport ftp’s, direct download links, rapidshare links, basic http authenticated links.
The servers are connected to [...]

TwReg is a twitter account register proxy, It’s help you register a twitter if your can not access twitter in your country.
And twreg is a opensource software too, you can install it on your web hosting.
Link: http://twreg.info/
Author : @hfcorriez from twfav team
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Twfav is a place for you to discover, manage and share hot favorite tweets from Twitter. Just sign in with your Twitter account and enjoy it!
How Twfav Works?
Twfav’s is an application based on Twitter API, you can sign in Twfav just with your Twitter account and all your operations on Twfav will be real-time [...]

KwiClick is  a browser addon that enhances the way you interact with content from services like Google, Twitter, YouTube, and more.  That was hoping you could take it for a spin and let me know what you think.
Here’s some info links:
Quick demo video (1:40) – http://www.youtube.com/watch?v=j6H1WHqBzj0
Firefox addon download page – https://addons.mozilla.org/en-US/firefox/addon/5655
The website – www.kwiclick.com
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PuSH Bot lets you receive notifications via XMPP of updates to feeds that support PubSubHubbub (commonly abbreviated to PuSH). This means that you can receive updates from Blogger, TypePad, Movable Type andLiveJournal blogs, Google Reader shared items, any FeedBurner feed and many other sources to Google Talk or any other Jabber/XMPP account.
Basic Usage
Subscribing

Add push-bot@appspot.com [...]