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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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Connext Professional

The first software framework designed to meet the demanding connectivity requirements of smart-world systems.

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Connext Professional

Data-Centric Connectivity

Eases system integration and enables the creation of scalable systems spanning diverse networks.

Data Transport in Real Time

Enables secure real-time information exchange, modular application development and rapid integration.

Rich Tool Set and Powerful QoS

Accelerates all development lifecycle phases with powerful design, debugging, testing and monitoring tools and configurable QoS.

Market Leader

RTI Connext is the world’s leading software framework for intelligent distributed systems.

Software Framework for Intelligent Distributed Systems

Architects and developers choose Connext Professional to build open and scalable real-world systems.

Connext Professional handles real-time data with the reliability, security and ultra-low latency essential for mission-critical real-world systems. It distributes and manages real-time data, allowing applications and devices to work together as one, integrated system. Connext Professional has:

  • A decentralized, data-centric architecture and peer-to-peer communication to enable high reliability,
  • Real-time Quality of Service (QoS) eliminating bottlenecks and any single point of failure,
  • A rich set of tools that simplifies development and accelerates integration testing and debugging, from design to deployment,
  • And over 70% of the DDSTM market share, delivering the proven foundation for mission-critical systems.


Connecting Distributed Systems

Connext Professional is a robust software framework for developing and integrating safety- and mission-critical systems. Its data-centric approach simplifies and eases system integration by allowing applications to interact directly with data objects and enables the creation of scalable systems that span diverse public and private networks.

Enterprise Integration Patterns

Supports the fundamental communication patterns in intelligent distributed systems including data-centric publish-subscribe, request-reply and queuing.

DDS Standard Compliance

Fully compliant with the OMG® DDS for Real-Time Systems standard, including the DDS API and network interoperability protocol (DDSI-RTPS).

Industrial Grade

Proven performance and reliability through benchmarked latency and throughput tests. Reliable multicast and network support enables scalable data distribution.


Three-Minute Topic: Connext Professional

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

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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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Centralized Software Databus

Connext Professional simplifies data exchange through a centralized software databus. It connects applications to data — not to each other — for secure and scalable data distribution, synchronization and management from edge to cloud.

Connext Tools

Connext Tools

Connext Professional includes a unique, comprehensive set of tools and utilities to provide deep visibility into running systems, accelerate testing, help troubleshoot application connectivity, solve complex data integration problems and speed time to market. From design to production, Connext Tools help ease the entire development lifecycle.

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Infrastructure Services

Infrastructure Services

Connext Infrastructure Services enables developers to rapidly scale and integrate real-time, distributed systems. These systems could be based on DDS and non-DDS applications. Infrastructure Services are included in the Connext product suite and deliver unique and powerful functionalities that bring any distributed system to the next level and speed time-to-market.

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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.

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 30-day trial.

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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Try a fully-functional version of the leading software connectivity framework for distributed systems, Connext, for 30 days.

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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 Secure 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.