APEX-PLUGIN.COM

Create Gant with the style

Combobox with Custom Display, Add HTML tags and Images to the dropdown.

Other options are same as Combobox Plugin:
Combobox (searchable select list) is a great replacement to the standard select list and autocomplete. It removes the limitation of APEX autocomplete item which can have only one column for display and return. This is easy to configure and easy to use that enables you to add a new value to the drop down list on the fly.

This region type plug-in is easy way to unobtrusively add a letter-based navigation widget to any UL or OL lists

Dynamic Quick Pick extends the functionality of the static Quick Pick introduced in Apex 4.0.
It provides the possibility to define the Quick Pick entries (as a separate page item) based on a SQL statement.

Combobox (searchable select list) is a great replacement to the standard select list and autocomplete. It removes the limitation of APEX autocomplete item which can have only one column for display and return. This is easy to configure and easy to use that enables you to add a new value to the drop down list on the fly.