Adsense Monitor - Scripts to track Google Adsense ads in PHP, ASP and Javascript.
AdSense Preview Tool - Tool to preview sample AdSense ads with inputed URL.
Check Page Rank - Easily and quickly view the Google PageRank of any web site.
Compare Google's Web Search to Google Accessible Search - Tool for comparing the standard search results of Google and and its special search for accessible sites in the same page. Provided by Google Blogoscoped.
DentedReality: XooMLe - Allows access to the API via a REST-like interface, with results returned in XML.
DevilFinder - Search tool which shows Google results arranged 100 per page. Also has an image search which displays images full size, and a choice of news headlines from a variety of sources.
Floogle - Uses the Web API to allow users to search through Google's entire database with results displayed in a Flash interface.
Froogle Maximizer - Commercial product guide to set up and optimize Froogle listings.
Geoff's GoogleDuel - Takes two search terms and shows which one is the most popular according to Google. Implementation using PHP with source code available.
Geographic Search - This software, that won the 2002 Google Programming Contest, allows Google users to find web pages that are located within a specific geographic locale. Source code is distributed under the GNU GPL.
ggler - Offers thumbnails with Google search results.
GooFresh - Interface for restricting searches to sites added recently to the Google index.
Google - Yahoo Comparison - Tool for comparing the search results of Google and Yahoo in the same page.
Google Alert - Monitors professional interests online. Tracks the web for topics and sends new Google results by daily email. Not affiliated with Google.
Google API Search Tool - Free standalone tool to search Google. Requires a license key.
Google Dance Machine - Facilitates searching of all Google servers simultaneously. Includes additional options for German speakers. Requires frames.
Google Dance Tool - Updates backlinks of Yahoo, CNN and BBC ever 60 minutes to check for the start of the dance, plus enables simultaneous searching on google data centers around the world. An alert mailing list is also available.
Google Dance Tool - Designed to help webmasters determine when Google is spidering the internet. Offers Google Web API help as well.
Google Dance Tool - Checks Google servers to determine if there is an update in progress.
Google Datacenter Tool - Offering a free tool to monitor specific Google data centers.
Google Fight - Compare the number of results for two competing keywords.
Google Hacks - Collection of tools including Google News headlines projected onto a world map.
Google Index - Java program which uses the API to produce dynamic indices of two example sites. Includes documentation, downloadable source and binary.
Google Metrics Watch - An online service that gathers historical data for the results of Google queries.
Google Poetry - Enter a query and it returns the titles of results into poetry.
Google Preview - A Firefox browser extension that inserts preview images (thumbnails) of web sites, Amazon products and stock charts into the Google search results page.
Google Rankings - Online tool for checking any domain position for a given keywords in the Google's search results for free.
Google Relatedness - Calculates how related two given words are by using the API. Requires the Mozilla browser.
Google SearchTool - Floating toolbar for Windows allowing you to conduct searches with Google. Includes an FAQ, screenshots and system requirements.
Google Tool - Search www/www2/www3 or the five google datacenters simultaneously. Can be used to check if the dance has begun.
Google Tool - Facilitates searching of all four Google servers (www www1 www2 and www3) simultaneously. Requires frames.
Googlebar - Created to be used with Netscape 6/Mozilla, this unofficial software emulates many features of the Google Toolbar. Screenshots, downloads, and wishlist.
GoogleJack - Play a variation of BlackJack, with a target of 101 instead of 21. Google API key required.
Googolplex - A Python library to retrieve Google results without Google API.
GSiteCrawler - Flexible Google sitemap generator for Windows from SOFTplus, which has options to also produce a urllist-file for Yahoo, an RSS feed, or an HTML sitemap.
2KRT: Keyword Ranking Tool - A free Microsoft Excel VBA application that can be used to check Google for keyword ranking and to track search engine rankings for various keywords over time. Uses Google API and API Web Service.
Live PageRank - Displays the current PageRank value in the Google index for different data centers.
Mangle Random Link Generator - Displays a random web site from Google's archive. Powered by the Web API.
OnFocus.com: Google Smackdown - Takes two words or phrases as input, queries Google via its API, and receives the estimated total results for each word or phrase to show which one is most popular.
Page Rank Calculator - Webmaster tool for calculating the PR of a web site. Includes description of how PageRank works and related links.
PageRank Calculator - Online graphic PR calculator.
Pagerankstatus - Browser extension that displays the Google Pagerank in the browser's status bar (Firefox and Mozilla only).
Random Google Bounce - Selects a random page from the Google database and displays it in a frame.
Random Google Page - Uses a given amount of terms to select a 'random' page from the index.
Random Google Search Thing - Generates random search queries for a user-defined number of search terms. The PHP source code is available.
Random Web Search - Generates random words, then allows searching for them on Google.
Search Engine Engine - A PageRank and backlinks tool that parses the Google XML report of a URL for values that are different from the toolbar, with source code.
Search Engine Position Tool - Utility based on the Google API to track keyword placement and back link data for an infinite number of keywords/URLs.
Search Engine Results Personalisation - Tool to show the effects of filters are on the algorithmic results returned by the Google API. Personal white and blacklist capability.
SEO Count - A Web based ranking reporting tool.
SEO Tools: PageRank Search - Shows the Google results with their PageRank.
SiteAll - Provides a Froogle data feed generator tool and a PageRank analysis tool for download. Includes articles and news.
Sitemap Generator - Online utility to create Google sitemaps in an XML format.
SitemapsPal - Online free xml sitemap generator specifically designed for webmasters wanting to submit a sitemap to Google.
Somacon's Data Feed Service - Offers a web-based datafeed submission to Froogle for a Yahoo store.
Speegle - A Scottish computer speech technology company provides a talking version of Google's search results. A selection of spoken newsfeeds is also available.
Stadtaus: Google Dance Tool PHP Script - A PHP script to compare the results of the three Google servers www, www2 and www3 at a glance. The tool can be downloaded and used without charge or registration.
Stagger Nation - Offering various tools based on the Google API. Includes source code.
TouchGraph GoogleBrowser - Java application that uses the Web API to produce graphs of related pages by running "similar-to" queries on Google.
XML Sitemaps - Offers a sitemap generator that creates Google sitemaps in XML format, together with text and HTML sitemaps. Free online to a maximum 500 pages or purchase a script for unlimited use.
YIMGoogle - Java-based bot on Yahoo IM that searches Google for a given search term and returns the first five results.