These promising young companies are offering intriguing technologies in the areas of mobile devices, security, network management, and more
Product: Eucalyptus (Elastic Utility Computing Architecture Linking Your Programs To Useful Systems)
Key features: Open source software that aggregates servers, storage and network infrastructure into private clouds that allow end-user customization and self-service provisioning. Compatibility with the Amazon Web Services infrastructure enables "hybrid clouds" consisting of internal and external data center resources.
Price: Free for open source version
Slideshow: Discover the InfoWorld Test Center's top 21 technologies for 2010