
Cross-site Lookup for SharePoint 2013
and SharePoint Online in Office 365
Link lists and libraries from
any sites within a site
collection.
You can configure lookup to get data from any site within the same site collection.

Quick search of related items
with real-time suggestions.
Lookup automatically filters results based on what you type in, which is very convenient to find required items.

Support big lists with
thousands of items.
Lookup asynchronously loads a new subset of items while user scrolls results or specifies them by typing.

Add new items to lookup
list directly from form.
You can configure lookup to show 'Add new item' link, which provides an ability to add new items to the source list. New items automatically appear in the result set.

Change layout of results
to simplify search.
Configure the layout of the result set by adding supplementary fields to simplify navigation. You can also set upsearch by multiple columns.

Create cascading dropdowns
or dependent fields with
Forms Designer.
Using Forms Designer alongside Cross-site Lookup you can configure dependent fields including cascading lookups. Cross-site Lookup column is compatible with Forms Designer 2.6.4930 and later versions.

Set up sorting and filtering
results.
To simplify search you can configure sorting by columns and set additional filters on the results.

Get more info on spform.com