Universal Client

1. P2P file sharing.
2. Download manager
3. SocNet
4. Instant Messanger
5. Cryptography key manager
   

Firefox 2.0: Change Tab Close Buttons (X)

Звідси

1. Type about:config in the address bar

2. Change browser.tabs.closeButtons to the value you wish.

0 - Display close button only on the active tab
1 - Display close buttons on every tabs
2 - Never display close buttons
3 - Display single close button at the end of the tab strip (This is the old, default Firefox 1.5 behavior)

If browser.tabs.closeButtons does not exist, you can create it. Right-click the page and select New and then Integer