The company was co-founded and incorporated in November 2005[5] in Austin, Texas[6] by Bill Karpovich (CEO) and Erik Dahl (CTO), two former employees of USinternetworking (USi).

[2] As TechCrunch notes, "Dahl had started developing some ideas for an open source IT management system in 2002 after he left USi...

The first version of Zenoss Core was released in 2006 and the company raised a $4.8 million series A lead [sic] by Boulder Ventures and Intersouth Partners.

the company opened a satellite office in Coventry, the United Kingdom to expand its presence in the European technology markets.

[9][10] The company mainly operates in the domain of full-stack monitoring analytics software and AIOps in North America, EMEA and other regions.

Kerner continues, "Enterprise users also get certified application monitors specifically geared for Microsoft SQL and Exchange."

"[18]In a Network Computing review, Jeff Ballard singles out the Zenoss Core 2.0 user interface and event management system as highlights.

Nance's review finds that "Zenoss Core doesn’t support as many diverse devices as HP OpenView or Argent Extended Technologies, nor does it monitor Microsoft Exchange or SQL Server as closely as a commercial tool does."