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BLUE SDK

The Gold Standard in Bluetooth® Software

Highly flexible, hardware-agnostic Bluetooth stack for embedded systems

400 M+

Automotive Shipments

1 B+

Device Shipments

20 M+

Automotive Radios

OpenSynergy brings over 25 years of experience in embedded software development. We stand for connectivity that works across technologies, platforms, and markets. Our software is built on standards, deep domain expertise, and long-term reliability. By enabling interoperability at scale, we help partners integrate complex systems into stable, production-ready products.

Our Blue SDK products offer the latest Bluetooth® technology features, including Channel Sounding and Auracast™, enabling diverse wireless applications and the full freedom to choose the Bluetooth radio that best matches the requirements, price point, and time-to-market. In addition, the Radio Tuner SDK simplifies the integration and management of multiple worldwide radio standards for automotive solutions deployed across countries, models, and vehicle platforms.

Deep Embedded Expertise

Over 25 Years of Industry Leadership

Automotive Grade by OpenSynergy
More secure anti-theft protection by Bluetooth® Channel Sounding
Highly flexible, hardware-agnostic Bluetooth stack for embedded systems
Bluetooth® Mesh stack for IOT by OpenSynergy
Blue-waves_edited.jpg

Our Products

Highly capable solutions for connected systems

BLUE SDK

Bluetooth, Unleashed

The leading, independent Bluetooth host protocol stack and profiles. A highly customizable and feature-rich solution that enables exceptional interoperability and robustness. Proven in over a billion end devices across many industries, including vehicles, mobile devices, cameras, printers, scanners, and more.

BLUE SDK RAPIDLAUNCH

Effortless Bluetooth for Linux™

A qualified Bluetooth stack for Linux that replaces the native Bluetooth stack (BlueZ) in Linux while retaining a familiar interface, adding features and functionality, offering superior stability, and simplifying maintenance.

BLUE SDK MESH

Beyond Traditional Bluetooth

Experience the power of Bluetooth Mesh. Create secure, reliable systems of tens to thousands of connected devices with Blue SDK’s industry-leading interoperability.

BLUE SDK MULTI-STACK

Advanced Applications for Android™

A supplemental Bluetooth interface for Android that goes beyond Android’s current capabilities by enabling advanced use cases that require more than one Bluetooth controller in Android-based systems.

RADIO TUNER SDK 

Smart, Connected, Tuned 

Radio Tuner SDK offers an off-the-shelf, highly scalable mass production software solution designed for easy integration with several global broadcast radio modules, supporting already several BSPs and OS (e.g. Android, Linux, QNX) with a standard USB interface for rapid prototyping. It can easily scale from simple entry systems to multi radio distributed architectures supporting multiple tuner systems. 

Enabling Trusted Connectivity

Functionality, Control, Robustness

Our products are highly regarded and trusted for applications in the most challenging industries, such as Automotive and Medical, for mission-critical systems where failure is not an option. 

Our software is easily tailored to systems with simple, straightforward requirements as well as highly complex systems requiring advanced functionality, a high level of control, and exceptional performance, stability, and robustness.

Members of the Bluetooth® SIG

We participate in the Core Specification and Automotive Working Groups, attend virtually all interoperability testing events, and actively maintain current qualifications for our stack and profiles.

Latest Highlights

RapidLaunch 3.3 – Optimized Bluetooth® LE

April 30, 2026

Built for Today — Ready for the Future
RapidLaunch delivers Optimized Bluetooth® LowEnergy Support with Enhanced Audio Architecture

Blue SDK 7.5 – Bluetooth® Channel Sounding-ready

March 31, 2026

Get ready for the next evolution of Bluetooth experiences - faster, smarter, more precise, and more accessible than ever. Blue SDK 7.5 is here!

Blue SDK now drives more than 400 million cars

February 27, 2026

BLUE SDK deployed in over 400 million automotive shipments

BLUE SDK enables reliable connected Baby Monitor

November 25, 2025

Connectivity partnership with Owlet

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