A flatfile-based metadata repository and integration with common build tools (make, ant, others). A code generation framework is included and is useful to conditionally generate code objects based on the deployment environment. Metadata+deploy = :)
Provide secure and stable OS, based on highly modified Linux Kernel, own package system, like "BSD Ports". Compatible with x86, Power PC. Easy to use of any level users. Complete Documentantion in many languages. 99% compatible with Windows.