Enquisite offers long tail , search analytics and has some great features.
Analytics tools like enquisite can provide a lot of insight about your site. You can even produce a report to tell you the keywords people are using to find your website.
WordStream offers streamlined, search-focused analytics that not only show you the keywords people use to reach your site, but also introduce this data into a keyword management  workbench where you’ll be able to:
- Discover and manage long tail keywords - as many as millions of search queries organized.
- Unearth actionable search analytic insights.
- Dynamically analyze and manage keywords and queries in real time based on traffic and conversions.
- Group keywords strategically with a speed and effectiveness you couldn't otherwise hope to achieve.
- Maintain large-scale paid search accounts with powerful keyword organization and negative keyword discovery tools .
- Get the most out of your efforts with workflow tools that will tell you everything from which Ad Group needs attention to which piece of organic content is likely to earn you the most money.
- Improve productivity, relevance, and value by increasing your Quality Scores, saving time spent on manual tasks, discovering valuable keywords, and streamlining your PPC and SEO efforts.
If the above sounds like something that your business or your clients might be interested in, you can:
Or, feel free to contact us  for more information about WordStream.