jquery plugins - nagraju/r3t GitHub Wiki

Tooltip
Tooltip helps you to build easier user interfaces. Big or small. Pluggable effects.
Demo

OverLay
commercial overlays, modal dialogs and slideshows
Demo

client side validations
Validation, range- and date inputs for human
For simple validations we can use this plugin
client_side_validations
Automatically extract and apply validation rules defined on the server to the client.
For Comple validations we can use this plugin.. It is compatible with SimpleForm, Formtastic, NestedForm