The Joint Architecture for Unmanned Systems (JAUS) is an initiative to develop an architecture for unmanned systems. It defines messages and component behaviors that are independent of technology, computer hardware, operator use, and vehicle platforms...
The Spacecraft Markup Language (SML) provides a standardized representation of commands, telemetry, science data, and other information to be used in the development of space probes.
The Extensible Robot Control Language (XRCL - pronounced zircle) is a relatively simple, modern language and environment designed to allow robotics researchers to share ideas by sharing code.