WordTracker Keyword Tool
- Compiled database of keywords that people search for. Tells how often people search for the term and how many competing sites use that same term on a search engine. Free trial available.
- http://www.wordtracker.com/

Keyword Combinations Calculator
- Calculates how many hit combinations are possible when you add keywords to your images.
- http://www.straightforward.se/keywording/calculator.shtml

SuperKeyword.net
- Send users to any of your pages with an internet keyword.
- http://www.superkeyword.net

Enter Your Keyword
- Displays a list of related keyword phrases.
- http://www.enteryourkeyword.com

Keyword Density Analyzer
- Checks the text and meta tags on your webpage for its keyword density.
- http://www.keyworddensity.ca/density/index.php

Keyword Density Calculator
- Calculates density and frequency of keywords and keyphrases on web pages and text files.
- http://tool.motoricerca.info/keyword-density.phtml

Top25Web.com's Website Ranking Checker
- Find out where your site ranks for a particular keyword search in Google, Inktomi, and AltaVista. Allows you to specify a keyword search, a domain to match the results against, and the number of results to match.
- http://www.top25web.com

Keyword.com
- A free internet keyword service and multi-search engine that sends users directly to websites.
- http://www.keyword.com

Netword
- Search with keywords and netword will help you find the site you are looking for.
- http://www.netword.com/

Google Adwords Keywords Suggestions
- Enter one keyword or phrase per line to see what related word searches your ad will show on.
- https://adwords.google.com/select/main?cmd=KeywordSandbox

Cyberface Keyword Tool
- Paste the textual content of your website to see what words are frequently used on the page. Generates 15 one word keywords, four 2 words keywords and one 3 word keyword string.
- http://www.cyberface-support.co.za/tools/keywordgen/keywordtest.php

Markhorrell.com's Keyword Density Analyzer
- Calculates the number of occurrences and percentage density of each word in block of text or web page. Includes the option to show the results either alphabetically or by frequency, and the option to show or ignore stop words.
- http://www.markhorrell.com/tools/density.asp

MySEO Keyword Density Tool
- Analyzes the frequency of the words found in your webpage body text and calculates their percentage weight.
- http://www.myseo.com/seo-tools/index.html

Brainfox Keyword Research Tool
- Generates top related keywords and their bid information from Brainfox's database.
- http://www.brainfox.com/research/

Live Keyword Density Analysis
- A free tool to help you analyze your keyword density for a piece of text.
- http://www.live-keyword-analysis.com

7Search.com Keyword Suggestion Tool
- Shows keyword search popularity data from previous month on this pay-per-click search engine. Cookies required to use.
- http://conversion.7search.com/scripts/advertisertools/keywordsuggestion.aspx

Stickysauce's Search engine Keyword Generator tool
- Cut and paste the textual contents of your site to generate 15 one word keywords, four 2 words keywords and one 3 word keyword string based on the frequency of which they appear on your page. Allows you to see what keywords are most common in your site te
- http://www.stickysauce.com/searchenginetools/keywordgen/index.php

Rocket Rank Keyword Position Report
- Checks 10 major search engines for your site's ranking for a particular keyword or phrase.
- http://www.rocketrank.com/

Overture Search Term Suggestion Tool
- Displays how many times a certain keyword was searched for in a given month. Shows all related searches for the entered keyword.
- http://inventory.overture.com/d/searchinventory/suggestion/

Site Cook's Search Engine Positioning Reports
- Check the status of a site on Fast, AltaVista, Google, and HotBot. Check individual pages for keyword density. Results in about 10 seconds.
- http://www.sitecook.com

MetaCrawler Keyword Searches
- Displays keywords which people are currently searching for in Metacrawler. The page refreshes every 15 seconds and has a filtered and non-filtered sample for you to choose from.
- http://www.metaspy.com/

WordCounter
- Ranks the most frequently used words in any given body of text. Filters out results to include or exclude small words, to use only root words or allow stemming, and to list 25, 50, or 100 words in order.
- http://www.wordcounter.com

Ranks.nl Keywords Tool
- Checks keyword density, prominence and placement. It can show headers and source, keywords in page elements, outgoing links and filtered words.
- http://www.ranks.nl/tools/spider.html

Scandinavian Keywords Maker
- Get a free list of the 250 most searched for keywords in any of the supported Scandinavian languages e-mailed to you within 2 hours. Enter your company name, e-mail address, name, and choose between Danish or Swedish (or both).
- http://www.keywordmaker.com/free.asp

Lexical FreeNet
- Toolbox that allows you to search for rhymes and relationships between words and concepts.
- http://www.lexfn.com/

Promote4Less Overture Bid Manager Tool
- Free bid monitoring service for 30 days when you register. Monitors keyword term bidding in Overture. Collects, organizes, and interprets the bidding data.
- http://promote4less.com/register.htm

Yahoo! Buzz Index
- Displays the keyword searches data collected from Yahoo! search log files. Updated each weekday, it shows the percentage of users searching for a specific subject on a given day.
- http://buzz.yahoo.com/

Google Zeitgeist
- Weekly search trends and a list of the most frequently misspelled searches.
- http://www.google.com/press/zeitgeist.html

Interactive Keyword Tutorial
- Uses javascripting to compute results based on a series of questions to help determine what the best keywords are to use on a webpage.
- http://websearch.about.com/internet/websearch/library/searchwiz/bl_keywordwiz3.htm

Wordspot Keyword Report
- Weekly top 200 keyword searches emailed to your inbox upon sign-up. Helps identify search trends.
- http://www.wordspot.com/free-report.html

Keyword Comparison Tool
- Helps determine which keywords or keyword phrases are more popular in a given search engine.
- http://www.spellweb.com/

Submit Corner Keyword Thesaurus
- Helps you find a list of related keywords based on the most popular, combined suggestions returned from Hotbot, About, Altavista and Metacrawler.
- http://www.submitcorner.com/Tools/Keywords/

Webjectives Keyword Density Analyzer
- Analyzes a site's HTML for use of a particular keyword or phrase.
- http://www.webjectives.com/keyword.htm