Building and sustaining open source communities

Over 120,000 open source technologists and leaders from around the globe gather at Linux Foundation events annually to share ideas, learn and collaborate.

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KubeCon + CloudNativeCon Europe

Apr 1–4, 2025 London, England

The Cloud Native Computing Foundation’s flagship conference gathers adopters and technologists from leading open source and cloud native communities in London, England from 1-4 April, 2025. Join our CNCF Graduated and Incubating Projects as the community gathers for four days to further the education and advancement of cloud native computing.

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Overture Member Summit

Apr 9–11, 2025 Charleston, United States

Overture Member Summit is where our members come together to exchange ideas, build connections, and drive Overture’s mission forward.

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UEC Member Summit

Apr 28–May 1, 2025 Westminster, United States

The UEC Members Summit 2025 (April 28–May 1, 2025) in Westminster, CO, unites leaders and contributors to advance Ethernet innovation in AI and HPC. Attendees will participate in deep technical sessions, strategic planning, leadership meetings, hands-on labs, and collaborative workshops. The summit fosters knowledge-sharing, celebrates achievements with awards, and sets actionable goals for Ethernet's future in AI/HPC.

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GitOpsCon Europe

Apr 29, 2025 Virtual

GitOpsCon is designed to foster collaboration, discussion, and knowledge sharing on GitOps and it’s adoption within organizations.

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OpenSearchCon Europe

Apr 30–May 1, 2025 Amsterdam, Netherlands

OpenSearchCon is the annual conference that brings the OpenSearch community together to learn, connect, and collaborate. Users, administrators, and developers attend to explore solutions to real-world problems, network with peers, and explore the future of search, observability, and security applications.

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HPSF Conference

May 5–8, 2025 Chicago, United States

Inaugural HPSF Conference hosted by the High Performance Software Foundation (HPSF) where the brightest minds in high performance software come together.

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DPDK Summit

May 8–9, 2025 Prague, Czech Republic and Virtual

The DPDK Summit is a community event designed for software developers who contribute or use DPDK.

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Cloud Foundry Day North America

May 14, 2025 Palo Alto, United States

Gather with contributors, maintainers, end users, and the intellectually curious for a day of deep dives into the tech surrounding Cloud Foundry.

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OpenSearchCon India

Jun 3–4, 2025 Bengaluru, India

OpenSearchCon is the annual conference that brings the OpenSearch community together to learn, connect, and collaborate. Users, administrators, and developers attend to explore solutions to real-world problems, network with peers, and explore the future of search, observability, and security applications.

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StrimziCon

Jun 4, 2025 Virtual

StrimziCon is an event for developers, DevOps engineers, and solution architects who want to learn about Strimzi and event streaming.

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PyTorch Day China

Jun 7, 2025 Beijing, China

Join PyTorch Day China 2025, hosted by the PyTorch Foundation—a pivotal event for community-driven learning, networking, and open-source AI innovation.

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KubeCon + CloudNativeCon China

Jun 10–11, 2025 Hong Kong

The Cloud Native Computing Foundation’s flagship conference gathers adopters and technologists from leading open source and cloud native communities in Hong Kong, 10-11 June, 2025. Join our CNCF Graduated and Incubating Projects as the community gathers to further the education and advancement of cloud native computing.

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KubeCon + CloudNativeCon Japan

Jun 16–17, 2025 Tokyo, Japan

The Cloud Native Computing Foundation’s flagship conference gathers adopters and technologists from leading open source and cloud native communities in Tokyo, Japan from 16-17 June, 2025. Join our CNCF Graduated and Incubating Projects as the community gathers to further the education and advancement of cloud native computing.

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OpenSSF Community Day Japan

Jun 18, 2025 Tokyo, Japan

OpenSSF Community Days unite the open source security community to collaborate on securing OSS development, maintenance, and consumption in a regional, innovative setting.

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Open Source Summit North America

Jun 23–25, 2025 Denver, United States

The premier conference for open source developers, technologists and community leaders to collaborate, share information and learn, furthering open source innovation and ensuring a sustainable open source ecosystem.

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Open Source in Finance Forum London

Jun 24, 2025 London, England

OSFF 2025 will spotlight groundbreaking advancements, deliver insights on best practices, and offer exclusive access to the leaders shaping open source in finance.

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Linux Security Summit North America

Jun 26–27, 2025 Denver, United States

A technical forum for collaboration between Linux developers, researchers, and end users aiming to foster community efforts in analyzing and solving Linux security challenges.

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OpenSSF Community Day North America

Jun 26, 2025 Denver, United States

OpenSSF Community Days unite the open source security community to collaborate on securing OSS development, maintenance, and consumption in a regional, innovative setting.

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OTel Community Day

Jun 26, 2025 Denver, United States

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

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The Linux Foundation Europe Roadshow

Jul 8, 2025 Milan, Italy

The Linux Foundation Europe Roadshow is a one-day event bringing together policymakers, developers, and industry leaders to shape the future of open source in Europe. Kicking off in Milan, the Impact Track will explore the financial sector’s role in open source, fostering collaboration and innovation. This roadshow connects diverse voices to drive technological advancement and policy development across the region.

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Automotive Grade Linux All Member Meeting Summer

Jul 9–10, 2025 Berlin, Germany

Automotive Grade Linux (AGL) is a collaborative open source project that is accelerating the development of a fully open software platform for automotive applications exhibiting at AGL’s AMM Summer 2025 to highlight members and the broader AGL ecosystem.

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OpenSSF Community Day India

Aug 4, 2025 Hyderabad, India

OpenSSF Community Days unite the open source security community to collaborate on securing OSS development, maintenance, and consumption in a regional, innovative setting.

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Open Source Summit India

Aug 5, 2025 Hyderabad, India

Join us for the inaugural vendor-neutral open source conference in India, where developers and technologists come together to collaborate, share knowledge, and explore the latest innovations and advancements in open source technology.

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KubeCon + CloudNativeCon India

Aug 6–7, 2025 Hyderabad, India

The Cloud Native Computing Foundation’s flagship conference gathers adopters and technologists from leading open source and cloud native communities in Hyderabad, India, 6-7 August, 2025. Join our CNCF Graduated and Incubating Projects as the community gathers to further the education and advancement of cloud native computing.

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Open Source Days

Aug 10, 2025 Vancouver, Canada and Virtual

Open Source Days, hosted by Academy Software Foundation, is the leading event dedicated to open source software for visual effects, animation and digital content creation.

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Open Source Summit Europe

Aug 25–27, 2025 Amsterdam, Netherlands

The premier vendor-neutral conference in Europe for open source developers and technologists to collaborate, share information and learn about the latest technologies and innovations across open source.

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gRPConf North America

Aug 26, 2025 Sunnyvale, United States

Join key customers, project leads, and contributors that make up the gRPC ecosystem for a full day of talks, demos, case studies, and code labs.

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AI_dev: Open Source GenAI & ML Summit Europe

Aug 28–29, 2025 Amsterdam, Netherlands

AI_dev is the premier event for developers in open source GenAI & ML. Attend to dive deep into AI innovations, collaborations & best practices.

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Container Plumbing Days

Aug 28, 2025 Amsterdam, Netherlands

Container Plumbing Days is the place to investigate, discuss, hack, learn, and celebrate the “lower-level” open source container technologies, everything from the container runtime on down to the Linux kernel.

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Linux Security Summit Europe

Aug 28–29, 2025 Amsterdam, Netherlands

A technical forum for collaboration between Linux developers, researchers, and end users aiming to foster community efforts in analyzing and solving Linux security challenges.

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OpenSSF Community Day Europe

Aug 28, 2025 Amsterdam, Netherlands

OpenSSF Community Days unite the open source security community to collaborate on securing OSS development, maintenance, and consumption in a regional, innovative setting.

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seL4 Summit

Sep 3–5, 2025 Prague, Czech Republic

The seL4 Summit is the annual international summit on the seL4 microkernel and seL4-related technology, tools, infrastructure, products, projects, and people.

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GraphQLConf

Sep 8–10, 2025 Amsterdam, Netherlands

GraphQLConf presented by the GraphQL Foundation unites the global GraphQL community promoting education, adoption & advancement of GraphQL.

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OpenSearchCon North America

Sep 8–10, 2025 San Jose, United States

OpenSearchCon is the annual conference that brings the OpenSearch community together to learn, connect, and collaborate. Users, administrators, and developers attend to explore solutions to real-world problems, network with peers, and explore the future of search, observability, and security applications.

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LF Energy Summit Europe

Sep 10–11, 2025 Aachen, Germany

This summit will gather the LF Energy community including electric utilities, technology vendors, global energy companies, researchers, and other industry stakeholders to learn about LF Energy and its projects, collaborate, and share best practices.

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Xen Project Summit

Sep 15–17, 2025 San Jose, United States

Xen Summit is our annual event where the community connect with experts, discover innovations, and shape the future of virtualization.

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LF Energy Summit North America

Oct 3, 2025 Montreal, Canada

This summit will gather electric utilities, technology vendors, policymakers, regulators, global energy companies, researchers, and other industry stakeholders to learn about open source solutions for energy systems. The event will feature presentations of ongoing work from the LF Energy ecosystem, as well as to collaborate and share best practices to accelerate the energy transition.

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Cloud Foundry Day Europe

Oct 7, 2025 Frankfurt, Germany

Cloud Foundry Day is a celebration of technology - particularly the CF platform, the tooling around it, and all the projects that are a part of its larger ecosystem. Maintainers, contributors, and others in the community convene to help make it a success.

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JSConf

Oct 14–16, 2025 Maryland, United States

The one-of-a-kind event for all things related to JavaScript (JS) on the web is back and brings together the best and brightest JS programmers.

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Open Source AI Week

Oct 18–26, 2025 San Francisco, United States

Open Source AI Week brings together the best open source AI and ML conferences, hackathons, and networking opportunities you won’t want to miss, all in the Bay Area between October 18 - 26, 2025.

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The Linux Foundation Legal Summit

Oct 20–21, 2025 San Francisco, United States

A neutral legal forum where leading attorneys from companies leveraging open source solutions can work together to focus on and discuss issues of common interest and concern.

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Open Source in Finance Forum New York

Oct 21–22, 2025 New York, United States

OSFF 2025 will spotlight groundbreaking advancements, deliver insights on best practices, and offer exclusive access to the leaders shaping open source in finance.

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PyTorch Conference

Oct 22–23, 2025 San Francisco, United States

Join top-tier researchers, developers, and academics for a deep dive into PyTorch, the cutting-edge open-source machine learning framework.

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The Linux Foundation Europe Member Summit

Oct 28, 2025 Ghent, Belgium

Where LF Europe participants foster collaboration, open innovation & partnerships to advance Europe-wide open source strategy and mobilise resources in their organisations to collaboratively influence the largest shared technology investment of our time.

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The Linux Foundation Europe Roadshow

Oct 29, 2025 Ghent, Belgium

The LF Europe Roadshow is a one-day event focusing on regulation—bringing policymakers, legal experts, and industry leaders together to navigate open source policy. This stop explores how evolving regulations impact adoption, security, and innovation, fostering collaboration to shape the future of open source governance in Europe.

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Open Science Workshop

Nov 3, 2025 San Diego, United States

The Linux Foundation is hosting a one-day event to connect Open Science leaders, researchers, developers, and policymakers, fostering collaboration between open scientific software and open source communities to enhance research accessibility and reproducibility.

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JupyterCon

Nov 4–5, 2025 San Diego, United States

Explore data science, ML, AI, and education at JupyterCon with hands-on training, expert talks, and innovative tools from the global Jupyter community.

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Open Source Summit Korea

Nov 4–5, 2025 Seoul, South Korea

Join us for the inaugural vendor-neutral open source conference in Korea, where developers and technologists come together to collaborate, share knowledge, and explore the latest innovations and advancements in open source technology.

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KubeCon + CloudNativeCon North America

Nov 10–13, 2025 Atlanta, United States

The Cloud Native Computing Foundation’s flagship conference gathers adopters and technologists from leading open source and cloud native communities in Atlanta, Georgia from November 10-13, 2025. Join our CNCF Graduated and Incubating Projects as the community gathers for four days to further the education and advancement of cloud native computing.

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AI_dev: Open Source GenAI & ML Summit Japan

Dec 8–10, 2025 Tokyo, Japan

AI_dev is the premier event for developers in open source GenAI & ML. Attend to dive deep into AI innovations, collaborations & best practices.

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Open Source Summit Japan

Dec 8–10, 2025 Tokyo, Japan

The premier vendor-neutral open source conference in Japan for developers and technologists to collaborate, share information and learn about the latest technologies and innovations across open source.

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Linux Kernel Maintainer Summit

Dec 10, 2025 Tokyo, Japan

An annual, by-invitation gathering of the world’s leading core kernel developers to discuss the state of the existing kernel and plan the next development cycle.

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Linux Plumbers Conference

Dec 11–13, 2025 Tokyo, Japan and Virtual

The Linux Plumbers Conference is the premier event for developers working at all levels of the plumbing layer and beyond.

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Open Compliance Summit

Dec 11–12, 2025 Tokyo, Japan

An exclusive, annual event for Linux Foundation members and select invitees that provides an excellent opportunity for organizations to share knowledge around open source compliance.

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KubeCon + CloudNativeCon Europe 2026

Mar 23–26, 2026 Amsterdam, Netherlands

The Cloud Native Computing Foundation’s flagship conference gathers adopters and technologists from leading open source and cloud native communities in Amsterdam, The Netherlands from 23-26 March, 2026. Join our CNCF Graduated and Incubating Projects as the community gathers for four days to further the education and advancement of cloud native computing.

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KubeCon + CloudNativeCon North America 2026

Oct 26–29, 2026 Los Angeles, United States

The Cloud Native Computing Foundation’s flagship conference gathers adopters and technologists from leading open source and cloud native communities in Los Angeles, California from October 26-29, 2026. Join our CNCF Graduated and Incubating Projects as the community gathers for four days to further the education and advancement of cloud native computing.

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