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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 is the software framework company for physical AI systems. RTI Connext delivers the reliability, security and performance essential for highly distributed autonomous and physical AI systems.

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Connext Professional

The software framework customers trust to rapidly develop, integrate and evolve autonomous and physical AI systems

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Connext Professional
Best to Start With

Offers unmatched technical resources, onboarding, tools and integrations to maximize developer productivity and establish an evolvable architecture that avoids costly rework.

Best to Deploy On

Minimizes deployment time and project risk, providing a secure, field-proven and powerful architecture with over 2,000 design wins worldwide.

Best to Evolve With

Scales with you as market, integration, and system requirements evolve, with the breadth of features and support needed to accelerate development and sustain competitive advantage.

When everything is at stake, architects and developers choose Connext Professional to rapidly build critical systems

Connext Professional is the most trusted software infrastructure for mission-critical systems, brought to you by the company that co-authored the Data Distribution Service (DDSTM) standard.  Why risk your project’s long-term success on another DDS implementation when you can choose one used in over 2,000 of the world's most demanding system designs?

Connext Professional is field-proven in Aerospace & Defense, Healthcare, Robotics, and other demanding industries to distribute critical real-time data with the highest levels of reliability.

Connext Professional now includes Connext AI, LLM-powered tools designed to build robust, scalable real-time systems. Connext AI empowers developers to build intelligent physical AI systems faster and easier than ever, as it is uniquely trained on decades of RTI expertise. Connext AI is available today with its first three capabilities:

Connext-Pro-Developer

Features to Help Your Business Evolve

Unrivaled Support for Language, Platform, Transport, Standards and Communication Patterns

RTI Connext offers a comprehensive suite of language, platform, transport, standards, and communication patterns support and compliance, providing unmatched value for developers and teams aiming to maximize flexibility and future-proof their projects. 

RTI Connext maximizes productivity by using the language best suited to each application and developer skill set. Supported languages include: 

C, Traditional C++, Modern C++, Python, C#/.NET, Java, Ada, JavaScript (node.js)^, LabVIEW*, Simulink*, REST/HTTP

Note:

^ Experimental product

* Third-party product 

RTI Connext helps users develop and deploy applications that interoperate seamlessly across heterogeneous and diverse platforms, from resource-constrained devices at the edge to containers in the cloud. Operating systems include:

Linux, Windows, macOS, VxWorks, QNX, INTEGRITY, Android, Deos, QNX OS for Safety, INTEGRITY-178, FreeRTOS, SafeRTOS, LynxOS-178, ThreadX, Helix Virtualization Platform, AUTOSAR


PROCESSOR FAMILIES include:
x86, x64, ARM, PowerPC, Custom*

 

Note:

* Custom through arrangement with RTI 

RTI Connext optimizes performance and deployment flexibility from within the same process, as well as for processes distributed around the globe (or even in space). Transports include:

Shared memory, UDPv4, UDPv6, Real-time WAN Transport,  unicast and multicast, TCP, TLS*, Low bandwidth.

Note:

* Require Security Extensions

RTI Connext helps ensure long-term interoperability and compatibility with other DDS implementations by leading in the development of evolving OMG DDS standards.

DDS 1.4*, DDS Wire Protocol (RTPS) 2.2*, DDS Security 1.1*#, C++ Language DDS PSM 1.0, XTypes: Extensible and Dynamic Topic Types 1.3*, RPC over DDS 1.0*, Web-Enabled DDS 1.0*, DDS XML Syntax 1.0*, IDL 4.2*.

Note:

* RTI is Lead Author

# Requires Security Extensions

RTI Connext offers comprehensive Communication Patterns support to minimize the cost and complexity of employing disparate use case-specific middleware solutions. It streamlines application migration and simplifies development by enabling the use of the most intuitive patterns for each interaction.

  • Data-Centric Publish Subscribe for broad real-time data distribution (one-to-many and many-to-many) and streaming data
  • Request-reply for service invocations and command-response
  • Queuing for load balancing and transaction processing
  • Historical Data Query: Efficient retrieval from publishing applications' caches on demand, enabling access to historical data even if not initially subscribed to
 

Connext in
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Watch this brief overview of RTI Connext for the basics of what it is and how it works.

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Looking for additional information?
Connext Professional Datasheet

Connext Professional Datasheet

Read more about the industry's most robust and productive development environment for autonomous systems.

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Check Out These Customer Applications

RTI Connext is proven in real-world applications across industries to connect and secure mission-critical, intelligent systems.

European Space Agency (ESA)

Read how ESA is using Connext to manage real-time communications between the International Space Station and a robot on a planet’s surface.

GE Transportation

Learn how GE Transportation’s connected rail enterprise is using Connext, leveraging advanced software and powerful analytics to enhance visibility into the control architecture.

Komatsu

Read how managing and analyzing equipment data in real-time delivers intelligent capabilities and predictive maintenance.

Lockheed Martin

Learn how standards-based, next generation naval systems break vendor lock-in, drive interoperability and future-proofs architectural designs.

Simple & Fair Pricing

Depending on the nature of your project, pricing options include Commercial, Research, Academic and Open Source licenses. We also offer a free version of RTI Connext designed for small systems.

Commercial Licenses

Pricing is based on the number of developers using Connext on your project. Distribution of applications that use RTI core products is royalty-free.

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Research & University Programs

RTI is committed to supporting universities in their research labs and classroom projects. We offer a free, one-year, renewable license to Connext for academic, noncommercial use.
Research & Non-commercial

RTI offers special license programs for qualified research and non-commercial use. Download a free trial to apply.