Fluentd is a lightweight and flexible log collector. Fluentd receives logs as JSON streams, buffers them, and sends them to other systems like MySQL, MongoDB, or even other instances of Fluentd. It is an open source data collector, which lets you unify the data collection and consumption for a better use and understanding of data.
LogRhythm provides enterprise-class log management, log analysis and event management in an integrated solution that empowers organizations to comply with regulations, secure networks, and optimize IT operations. LogRhythm was positioned by Gartner Inc. in the visionaries quadrant of the Security Information and Event Management Magic Quadrant report for 2007. LogRhythm is privately held and based in Boulder, Colorado.
New Relic is a software analytics company that makes sense of billions of metrics about millions of applications in real time. New Relic's comprehensive SaaS-based solution provides one powerful interface for web and native mobile applications and consolidates the performance monitoring data for any chosen technology in your environment. New Relic's 90,000 customers use their cloud solution every day to optimize more than 200 billion metrics for 3 million applications.