FINANCE 2.0: 50 ways to track, manage your investments, invoicing, expenses, loans, allowances online & a few ideas to disrupt the financial sector

Surpisingly few interesting 2.0 business models in the financial sector. And there's so much to gain!
Deploying 2.0 thinking in financial services could be the most disruptive innovative direction of all.

10 additions in this update, in italic.

Activeallowance - Kids & parents manage kids' allowances
Beggr - Give me your money
Billhighway - Budget, collect, pay between roommates, fraternities, etc.
Billq - Keep track of your bills
Billster - Track where your money goes
Blinksale - Web-based invoicing
Boober~ - Get or bid for giving loans
Budgetpulse - Manage your budget
Budgettracker - Track your finances
Bullpoo - Find, share & collaborate on investment information
Buxfer - Keep track of shared costs
Capitoolvertical - Search VCs & entrepreneurs
Cashboard - Track your expenses
Clearcheckbook - Track your expenses
Collectiveintellect - Collect, filter, analyze & trade on financial data
Cyclr - Manage financial obligations
Digstock - Digg stock
Dimewise - Manage your finances
Dun&Bradstreet - API for D&B credit check
Expensestracker - Track your expenses
Expensr - Track your expenses
Feedthebull - Submit info and have the community vote on it
Financialengines - Personalized financial advice & portfolio management
Flowcatch - Track your expenses
Foonance - Manage your finance
Foxway - Track your budget
Freshbooks - Online invoicing and time tracking service
Gastus - Control your expenses

Gradr - Rank, research & discuss stocks - Finance
Gstock - Volunteer to participate in supercomputing for stocks
Homeequityshare - Find investors for your mortgage downpayment
Ioweyou - Manage loans & shared expenses
Mileguru - Aggregate all your loyalty points on 1 page
Moneytrackin' - Manage your budget & expenses & share it
Moneytwins - Exchange currencies without banks
Motleyfoolcaps - Pool your knowledge on stock buying
Mvelopes - Manage your finances
Networthiq - Track, share & compare your net worth
Onestatement - Track your expenses
Pearbudget - Create your budget, track your expenses
Ripple - Be your own banker
Sanebull - Customizable start page for stock information
Secondsite - Web-based invoicing
Sharedspaces - Co-buy, co-rent or co-invest in property
Simplybill - Invoice management
Socialpicks - Analyse & recommend stocks with your peers
Spicydigits - Manage shared expenses
Squawklive* - Mashes up stock data & news, sends alerts
Stocktickr - Create & share stock watchlists
Swarmofangels - Participate in new cinema
Valuewiki - Wiki for securities
Vcnewscentral - Digg start-up & VC news
Wageexchange - Share your salary
Yodlee - Bank, pay, manage your wealth & risk
Zecco~ - Trade stocks for free

Italic = new. Update 061221, 070119, 070303, 070517 (corrected 070527), 070829.