But their services also rely on code developed in-house, which is not given away free.

ECONOMIST: Open-source software in the recession: Born free | The

Within large mutual fund organizations, only in- house legal counsel is in a position to monitor manager personal trading compliance with the code of ethics.

FORBES: Mutual Fund Personal Trading Illegalities: Letter to Barry Barbash, Director of Division of Investment Management, Securities and Exchange Commission (July 1, 1998)

Firefox has 50 in-house developers, but, in open-source tradition, 1, 000 volunteers worldwide regularly contribute code.

FORBES: Web Warrior

The Apparel Industry Partnership, a group put together by the White House that includes activists and apparel firms, agreed in November to create an industry-wide code, although some campaigners have pulled out.

ECONOMIST: Business ethics

The House of Lords code of conduct says peers cannot engage in "paid advocacy" - using their access to Parliament to make a profit.

BBC: No 10 plans statutory register of lobbyists bill by July