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RTI is the world’s largest DDS supplier and Connext is the most trusted software framework for critical systems.

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From downloads to Hello World, we've got you covered. Find all of the tutorials, documentation, peer conversations and inspiration you need to get started using Connext today.

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RTI provides a broad range of technical and high-level resources designed to assist in understanding industry applications, the RTI Connext product line and its underlying data-centric technology.


RTI is the infrastructure software company for smart-world systems. The company’s RTI Connext product is the world's leading software framework for intelligent distributed systems.

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Shapes Demo


Interactive Demonstration

Connext, based on the DDSTM standard, is a cornerstone of complex and critical computer systems in every industry around the world. Groups such as the Industry IoT Consortium are taking advantage of DDS as the connectivity platform for distributed and autonomous systems.

RTI Shapes Demo (Shapes) is a tool you can use to learn about the basic and some advanced DDS concepts, such as publish-subscribe messaging, data centricity, and Quality of Service. Shapes is a standalone graphical application that does not require any programming. Starting with our walkthrough, anyone, including developers, students and business professionals, can learn DDS with Shapes.


By downloading Connext, you acknowledge that you agree to the RTI Software License Agreement.

Windows 11, 10 (x86 64-bit)

Ubuntu 22.04 LTS, 20.04 LTS; Red Hat Enterprise Linux 9, 8 (x86 64-bit)

macOS 11 and later (x86 64-bit)

macOS 11 and later (ARMv8 - M1/M2)

How to Use Shapes: A Walkthrough

Shapes Demo is an excellent way to understand Connext technology. The following walkthrough will help you grasp the basic Shapes commands and capabilities seen in the main window.


RTI Shapes Demo User's Manual

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