Information Card Selectors
Information Card Selectors are the digital equivalent of a wallet to hold your cards.
| Selector | Windows XP | Windows Vista | Macintosh OS X | Linux |
| Digital Me | Yes (Firefox) | Yes (Firefox) | Yes | Yes SUSE |
| Microsoft CardSpace | Yes | Yes | ||
| Azigo | Yes (Explorer, Firefox) | Yes (Explorer, Firefox) | Yes (Firefox) |