Adword Analyzer: software helps you instantly uncover targeted keywords with high search volume and very little competition. (Jeff Alderson. Software)
KeyCompete.com: online keyword research tool that identifies the keywords your competitors are using in their pay-per-click campaigns. (Tiger Technologies. Membership Site)
Keyword Controller: software for manipulating keyword lists. (Rufus Steele. Software)
Keyword Country: useful AdSense keyword search engine with over 6.5 million keyword combinations and their Adsense value. (Keyword Country. Membership Site)
Keyword Discovery: service can tell you the search phrases people use to find products and services, as well as the search terms and keywords that drive traffic to your competitors. (Trellian. Membership Site)
Keyword Elite: nice, high quality keyword analysis software with a user base of thousands. (Brad Callen. Software)
Keyword Explosion: database of over 2.4 million keywords and their associated AdSense bids. (Jonathan Leger. Software)
Keyword Toolkit: keyword manipulation program helps you build high quality keyword lists in minutes. (Keyword-Toolkit.com. Software)
Niche Miner: software finds markets that you deem to be profitable based on a number of factors such as competition in the search engines, how many searches a keyword gets per month, how much advertisers are bidding etc. (CuzTech. Software)
Overture Search Term Suggestion Tool: now part of Yahoo search marketing, use this tool to quickly find out how many times your keyword was searched for and view related searches that include your keyword terms. (Yahoo. Service)
Rapid Keywords: Manage your keywords and find profitable related keywords by running several keyword searches. Generate keyword related typos. Analyze keyword competition on AdWords, Overture and Miva. (RapidDecision Corp. Software)
SeoDigger: enter any URL and see what keywords and in what position the URL appears under in Google's search results. (SeoDigger. Service)
Top Keyword Data: useful software geared towards AdSense publishers. For any keyword you can view the all-important cost per click (CPC) per keyword, the estimated number of monthly clicks (CPC), the total number of existing web pages in Google, the number of AdWords campaigns that are currently running and the number of searches conducted on Overture throughout the previous month. (Jeff Alderson and Rod Beckwith. Software)
TopPayingKeywords.com: 360,000+ keywords that have search engine bid prices of $1 or more. Excel spreadsheet. (TopPayingKeywords.com. Software)
Wordtracker: one of the first andbest known keyword research tools. Large range of useful features. (Rivergold Associates Ltd. Membership Site)
Google Tools
Google AdWords Keyword Tool: view keywords releated to your base keyword or a specific URL (Google Inc. Service)
Google AdWords Traffic Estimator: get quick traffic estimates, cost and clickthrough volumes for keywords without opening an AdWords account. (Google Inc. Service)
Google Trends: view trend graphs for your keywords. (Google Inc. Service)
