SL is a San Francisco Bay Area-based software company that develops real-time monitoring, visualization and diagnostic software for Global 1000 and mid-market companies whose businesses depend on complex, high-performance applications. The company has deep expertise in monitoring and management of custom, distributed applications running in heterogeneous middleware environments.

SL was founded in 1983 as a developer of graphic software tools for high-end process control systems. In the early years, the company developed core expertise in mission-critical Command and Control Systems for customers that include ABB, Foxboro, Kennedy Space Station, NASA, and Honeywell. SL has since evolved to provide a real-time monitoring and visibility platform for the enterprise.