Enduro/X is Open Source Enterprise Middleware Platform for Distributed Transaction Processing. It built on such proven APIs as X/Open group's XATMI and XA. The platform functions as drop-in replacement for Oracle (R) Tuxedo (R). In foundation of the platform are used in-memory POSIX Kernel queues. Which insures high Inter Process Communication throughput. Enduro/X is written in C language, and it is easy to write a bindings for other languages, such as Go, PHP, Python, etc.