interesting engine

xml driven photo engine engine 1

more engine here

accordion menu

sample 1

breadcrumb plugin

good but complex

very light weight

Jquery chart

very good plugin for charting

available to download

ad33cd4a-9a40-469d-b1d4-0968fcb845f4

{"Address2":"a","CustomerID":0,"Contact":"1111","Address1":"a","FirstName":"Kelvin","Zip":"A","LastName":"Kok","Email":"Kelvinkok@gmail.com","Country":"A","DeviceID":"2C408DEC-4EC5-53B2-912E-87A09CDC43EE"}

888aabb1-ab1e-440f-8a8b-0607ca13eec5

Image cropping

detailed tutorial on image cropping

360 product browsing

General link

very cool demo

google map location pointer

VEry good control which you can search for location with auto complete function and showing the location pin on google map.