EDM is a log analyzer that comes either as a freeware, with a limit of about 100 visitors per day, or a shareware with a 30 days trial period (no quota on visitors).
EDM is so fast that you can process ENTIRELY a log of 500,000 lines within a few seconds. Entirely here means, processing ALL the pages, referrers, visitors, not just the top 100 in each category.

In addition to several predefined columns in each report, you can add up to 10 columns of your choice in most of EDM's reports. You define the target, the operand, the column header and within a few seconds the result is available as a percentage. Combined with a broad range of filters, this gives you a powerful tool to extract almost any information that you want.

Unlike many other log analysers, Expert Data Miner supports databases: You can create monthly or yearly projects and process fresh new logs every day without creating a new project. In the cumulative mode, EDM will upgrade your previous results. Should...