Web services providing analytics for Amazon S3 useage
S3stat is a service that takes the detailed server access logs provided by Amazon's CloudFront and Simple Storage Service (S3), and translates them into human readable statistics, reports and graphs.
Analytics & monitoring for access logs in Amazon S3, Amazon CloudFront, Google Cloud Storage and Rackspace CloudFiles (Akamai CDN)
Analyze Amazon CloudFront, ELB & S3 Logs. Monitoring & Analytics for your AWS Access logs with Cloudlytics, a Big Data Analytics tool.