OIS ORBexpress is a commercial, object request broker (ORB) product from Objective Interface Systems for the Ada, C++, C#, and Java programming languages.

ORBexpress
Developer(s)Objective Interface Systems
Initial releaseAugust 1998; 26 years ago (1998-08)
Written inAda, C++, C#, Java
Operating systemAndroid, Integrity, HP-UX, IBM AIX, Linux, LynxOS, Nucleus RTOS, Windows, MontaVista Linux, Oracle Solaris, QNX Neutrino, ELinOS, ThreadX, TimeSys RT, RTLinux, VxWorks
PlatformIA-32, x86-64, ARM, ColdFire, MIPS, PowerPC/Power ISA, SPARC
TypeORB
LicenseCOTS
Websiteois.com/Products/communications-middleware.html

ORBexpress features tools for developing and debugging distributed, real-time applications.