This can be a pain in the neck. I’ve installed the Delicious extension for Firefox which makes bookmarking a dream – but that only works with my usual account. Logging in and out all the time is a faff and not really an option.
What I have been doing recently is using different browsers for different accounts. It’s cumbersome and sometimes tricky to remember which browser works with which account!
However, I’ve now found the answer to my multiple delicious account problem prayers. It’s called Pukka.
Effectively, it is a client for Delicious. You load it up with the credentials for all your accounts, which you can then choose from a drop down menu when creating a bookmark.
There is also a bookmarklet which lets you call up the application straight from the browser and which fills in quite a few of the details of the page you are viewing for you.
It isn’t perfect – I can’t find an option to be able to post a bookmark to multiple accounts, for instance – but for roughly a tenner you can’t really go wrong.
Sadly for Windows and Linux users, it is Mac only.