Open source code is distinct from closed source or proprietary software in that the application source code is available for viewing. Open source products are usually free to use, although we increasingly see companies releasing source code with their commercial products. We believe in open source software and advocate its use where possible.
Open source software has been popular with developers for quite a while, but until recently managers have been reluctant to deploy it for large projects. This is changing. While the cost advantages have always been obvious, the other benefits are becoming more apparent to a wider audience:
Our experience as developers has convinced us that open source software, especially in the enterprise software arena, can be trusted. Using open source software reduces risk: it eliminates vendor lock-in, and minimises the risk of not being able to resolve a mission-critical defect.