ActiveGrid, a company which makes open source-based development software, said that it has named Christopher Keene as its CEO, replacing founder Peter Yared.
Keene founded Persistence Software in 1991, which made transaction processing software and went public in 1999 and was acquired by Progress Software in 2004.
Yared will stay on as the company's chief technology officer.
ActiveGrid's software is designed to build scalable Web applications using open-source components, such as Linux, the Apache Web server, open-source databases, and scripting languages.
The company sells its server and development tool as an alternative to Java servers ands tools and to Microsoft's .Net programming suite