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Orbacus Family

A highly embeddable CORBA ORB provided as source code for total control over your CORBA system.


Orbacus is a source available CORBA 2.6 implementation that has been deployed around the world in mission-critical systems in the telecommunications, finance, government, aerospace, and transportation industries. Orbacus is for rapid development, deployment, and support. Its small footprint enables it to be easily embedded into memory-constrained applications.

Cost effective

Cost effective

Orbacus helps end-user organizations and ISVs build distributed and integrated systems. It delivers a full-featured, CORBA-compliant ORB – a cost-effective CORBA system for better control – and our years of experience building mission-critical CORBA systems.

High performance

High performance

Orbacus has an optimized IIOP protocol stack that can use over 99% of network bandwidth under extreme loads. Developed from the ground up to be the solution of choice for ISVs, Orbacus is a highly embeddable and performant CORBA solution.

Source code available

Source code available

Users can have direct control over their CORBA solution with the ability to choose the parts of Orbacus to use at run-time. By compiling in only the features you need, with specific compile time flags, you can reduce the application’s footprint. Plus, by creating ‘debug builds’, the user can obtain a more detailed insight into their CORBA deployment and fine-tune to fit exact needs.

Orbacus Family Products


  • Compliant middleware supporting C++ and Java. Its high performance and low footprint means it is suitable for most distributed object computing applications, while its source code distribution simplifies debugging across our broad range of supported platforms.
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Orbacus Notify

  • Designed for event-driven asynchronous messaging systems. It provides publish-subscribe capabilities while still offering the same performance, broad platform support, and source availability.
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FSSL Security Plug-in for Orbacus

  • The IIOP replacement transport for Orbacus when message and data security is a requirement. Based on the industry accepted SSL encryption technology.
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release-rel-2023-03-02-8751 | Wed Mar 22 08:32:53 PDT 2023
Wed Mar 22 08:32:53 PDT 2023