Open Source Summit North America 2025

Registration Cost: $20

FreePBX World Summit 2025, proudly sponsored by Sangoma, brings together users and contributors of FreePBX - the world’s most popular open source GUI for the Asterisk telephony toolkit. Over twenty years in the making, FreePBX continues to expand the GNU/Linux footprint into education, hospitality, retail, call center, and AI/LLM spaces around the world.

K12 Focus! Join this informative mini-summit to explore the advantages of using FreePBX in K12 schools. Discover practical examples and expert advice on everything from network planning and hardware deployment to tips for configuring emergency calling. Gain valuable insights from industry professionals to enhance your school's communication systems.

Calling for Speakers!

How to Register: Pre-registration is required. To register for FreePBX World Summit 2025, add it to your Open Source Summit North America registration.

In Person Registration Cost: $50
Virtual Registration Cost: $0

The Automated Testing Summit (ATS) 2025, hosted by KernelCI, is a technical conference focused on the key challenges, tools, and infrastructure involved in testing and quality assurance for the Linux ecosystem — with an emphasis on upstream kernel development, embedded systems, cloud environments and CI integration.

Modern software stacks grow increasingly complex and heterogeneous. Ensuring their stability requires scalable, reproducible, and automated testing solutions that can operate across diverse hardware platforms, kernel versions, and integration layers. ATS brings together engineers working on KernelCI, test frameworks, lab automation, CI/CD pipelines, fuzzing, performance analysis, and more.

The event is a platform for in-depth technical talks, demos, and collaboration sessions that tackle real-world problems in automated testing. Topics range from designing interoperable systems for sharing test results, to debugging kernel regressions across distributed hardware labs.

ATS 2025 is where upstream meets infrastructure — and where collaboration across project and organizational boundaries is essential to advance quality at scale.

How to Register: Pre-registration is required. To register to attend in person for Automated Testing Summit 2025, add it to your Open Source Summit North America registration. To register to attend virtually, visit the event website. 

Registration Cost: Early: $199 / Standard: $249 / Late: $399

Open Observability Summit and OTel Community Day are coming together under one event registration, featuring two community-driven tracks exploring the future of open source observability. Each event is created to bring the observability community together to collaborate, learn, and advance open source observability tools and practices.

Open Observability Summit is uniquely designed to bring together developers, operators, and business leaders passionate about leveraging open source technology to gain deeper insights into their systems and applications. The event is community-driven, ensuring that all aspects of the conference, from discussions to workshops, are relevant, practical, and tailored to meet the real-world needs of the open source community.

OTel Community Day is a time and a place for maintainers, contributors, and users of OpenTelemetry (OTel) to come together and celebrate both our open source work and our successes with Observability.

To learn more, visit the event website.

How to Register: Pre-registration is required. To register for Open Observability Summit + OTel Community Day, add it to your Open Source Summit North America registration.

Registration Cost: $25

OpenSSF Community Days bring together a vibrant community from across the Security and Open Source ecosystems to share ideas and progress on capabilities that make it easier to sustainably secure the development, maintenance, and consumption of the software on which we all depend. These events, held regionally and co-located with KubeCon or Open Source Summits, offer an opportunity to engage with the brightest minds in security for a day of collaboration and innovation in software security best practices. As a home for tools, standards, and education, OpenSSF provides attendees the chance to explore these resources, share their experiences, and contribute to a safer and more secure digital world.

To learn more, visit the event website.

How to Register: Pre-registration is required. To register for OpenSSF Community Day North America, add it to your Open Source Summit North America registration.

Registration Cost: Early: $249 | Standard: $299 | Late: $399

Linux Security Summit (LSS) is a technical forum for collaboration between Linux developers, researchers, and end users with the primary aim of fostering community efforts to analyze and solve Linux security challenges.
LSS is where key Linux security community members and maintainers gather to present their work and discuss research with peers, joined by those who wish to keep up with the latest in Linux security development and who would like to provide input to the development process.

To learn more, visit the event website.

How to Register: Pre-registration is required. To register for Linux Security Summit North America, add it to your Open Source Summit North America registration.