Snazzy Info Window is a plugin for customizable info windows using the Google Maps JavaScript API. Open sourced by the people that created Snazzy Maps.
Geocomplete is an advanced jQuery plugin that wraps the Google Maps API's Geocoding and Places Autocomplete services.
You simply provide an input that lets you search for locations with a nice autocomplete dropdown. Optionally add a container to show an interactive map and a form that will be populated with the address details.
Location Picker plugin allows to easily find and select a location on the Google Map. Along with a single point selection, it allows to choose an area by providing its center and the radius. All the data can be saved to any HTML input element automatically as well as be processed by Javascript (callback support).
This jQuery plugin takes advantage of Google Maps API version 3 to create an easy to implement store locator. No back-end programming is required, you just need to feed it KML, XML, or JSON data with all the location information.
There are many options to customize plugin, also you can geocode all the locations beforehand, to make sure it was quick and to avoid any potential geocoding errors.
Maplace.js helps you to embed Google Maps into your website, quickly create markers and controls menu for the locations on map.
It requires jQuery and Google Maps API v3 so you need to have both in your page.
Geolocation is a jQuery plugin to get the location of the users visiting your webpage by using Google Maps API.
div