A Linux distribution designed to securely handle bitcoin wallets. BTC Vault is based on Slax and thus contains a full Linux installation including the KDE desktop environment and the Firefox webbrowser.
Also, BTC Vault includes the Electrum bitcoin client and the MultiBit bitcoin client that you can use to manage your coins.
Watch multiple BTC addresses, enter general btc entries and follow their profit/loss/value, and import a BTCT portfolio to see your total BTC worth in the currency of your choice.