Explore the journey of Progress Software's OpenEdge product group in developing a next-generation application server based on open source technologies. Learn about the design process, key decisions, successes, and challenges encountered while creating a commercial product built on Tomcat, Spring, Camel, CXF, and other open source technologies. Gain insights into how the team balanced the need for a robust commercial offering with the advantages of open source foundations. Discover the architectural choices, feature implementations, and compatibility considerations involved in replacing a legacy application server from the late 90s with a modern, standards-based solution. Delve into topics such as Tomcat architecture, Spring Security integration, and the development of custom extensions and management tools. This talk by David Cleary, a 23-year veteran of Progress Software, offers valuable lessons for organizations considering the adoption of open source technologies in their commercial products. Read more