Qloudstat - Analytics & monitoring for access logs in Amazon S3, Amazon CloudFront, Google Cloud Storage and Rackspace CloudFiles (Akamai CDN)
Checkmk - Checkmk - the software for effective IT monitoring
OverOps - Know why Java code fails in production. Get the full Java source code and variable state for every error. Reproduce and Fix critical issues in seconds.
Bugfender - Cloud logging for your apps, not only crashes matter
S3Log - Delivering hourly S3 log file analysis.
LogDNA - Cloud log management system.