Terms TagIt can enable js tagging styles for any taxonomy term reference fields. Allowing users to easily identify separate tags and remove tags on click.
Terms can be added when hitting comma, enter or onblur. The ability to have a drop down list of terms can be enabled or disabled.
Installation
1. Download the Tags Input library into your libraries folder /sites/all/libraries
2. Enable the terms_tagit module
3. Add term reference field type for any content type widget: Autocomplete term widget
4. In the field configuration enable TagIt on this field under the Tag It collapsable