A jQuery tagging / tokenizer input plugin for Twitter's Bootstrap, by the guys from Sliptree

Check out the demo and docs

$('input').tokenfield()

• Copy & paste tokens with Ctrl+C and Ctrl+V
• Keyboard navigation, delete tokens with keyboard (arrow keys, Shift + arrow keys)
• Select specific tokens with Ctrl + click and Shift + click

0.7.1

• Fixed: pressing comma did not create a token in Firefox
• Fixed: tokenfield('getTokensList') returned array instead of string

0.7.0 Autocompleted

• New feature: jQuery UI Autocomplete support

0.6.7 Crossable

• Fixed: Firefox close icon was misplaced
• New: IE 8-10 support (both CSS and Javascript)

0.6.5 Shiftable

• New feature: select specific tokens with Ctrl/Shift + click
• New feature: select specific tokens with Shift + arrow keys
• Internal API improvements

0.6 Editable

• New feature: Edit existing tokens by double-clicking or pressing enter
• A lot of improvements and bugfixes

0.5 Initial release