Building and sustaining open source communities

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.

Xen Summit 2026 brings together developers, users, researchers, and industry leaders working with the Xen Project and virtualization technologies. Join us for technical presentations, community discussions, networking opportunities, and updates on the latest developments in open source virtualization, embedded and automotive systems, cloud infrastructure, and functional safety.

AGNTCon + MCPCon Europe is the flagship annual conference for the open agentic AI ecosystem. The event brings together the builders, contributors, and enterprises working across MCP and the broader landscape of agentic AI systems to share learnings, surface common challenges, and advance open, interoperable approaches to building AI agents at scale.

We’re growing! After several years, Cloud Foundry is hosting a 2-day format. The Cloud Foundry Summit is an annual event hosted by the Cloud Foundry Foundation. The Summit aims to bring users, platform practitioners, contributors, and maintainers together under one roof.

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.

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

Observability Summit will bring the observability community together to collaborate, learn, and advance open source observability tools and practices.

Join ValkeyConf to connect with developers, SREs, and DBAs. Share hard-won knowledge, talk shop in sessions, and help shape Valkey’s future in production.

The Linux Foundation Member European Forum is an annual regional gathering for Linux Foundation European members, interested in discussing and shaping how European organisations participate in the global technology commons.

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

Join the Valkey Contributor Summit! Connect with fellow builders, share ideas, discuss priorities, and actively shape the future of this open-source project.

Embedded Linux Conference (ELC) has been the premier, vendor-neutral technical conference for companies and developers using Linux in embedded products since 2005. The event brings together user-space developers, system architects, and industry experts to collaborate, exchange knowledge, and advance solutions for embedded systems, connected devices, and industrial IoT.

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.

PromCon aims to connect Prometheus users and developers from around the world in order to exchange knowledge, best practices, and experience gained around using Prometheus. We also want to collaborate to build a community and grow professional connections around systems and service monitoring.

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.

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

The annual Bazel event uniting enthusiasts, maintainers, users, and friends. The event features talks, the Bazel State-of-the-Union, collaboration opportunities, and a live Q&A.

Agentics Day is a community event exploring the Model Context Protocol (MCP). Join developers to advance the standard for connecting AI to tools and data for richer, safer applications.

ArgoCon is designed to foster collaboration, discussion, and knowledge sharing on the Argo Project, which consists of four projects: Argo CD, Argo Workflows, Argo Rollouts and Argo Events.

BackstageCon is a community-led, vendor-neutral conference for the Backstage framework. Join us to collaborate on improving developer experience and portals through open-source innovation.

Buildpacks Summit brings Cloud Native Buildpacks adopters, contributors, and maintainers together to share real-world experiences, explore new ideas, and shape the project’s future.

CiliumCon explores eBPF-powered networking, security, and observability. Join users and contributors to dive into Cilium, Hubble, and Tetragon for scalable, high-performance cloud-native platforms.

At Cloud Native AI + Inference Day, explore how LLMs, Graph RAGs, and agentic systems are reshaping business. Navigate ethical challenges and scaling hurdles to move AI from development to production.

FluxCon brings together Flux users, contributors, and adopters to share GitOps best practices, success stories, and technical insights on continuous delivery.

KeycloakCon brings the Keycloak community together to explore the latest features, learn from experts and real-world use cases, and connect with developers, maintainers, and fellow users.

The Cloud Native Computing Foundation’s flagship conference brings together adopters and technologists from leading open source and cloud native communities in Barcelona, Spain from 15-18 March 2027. Be a part of the conversation as CNCF Graduated, Incubating, and Sandbox Projects unite for four days of collaboration, learning, and innovation to drive the future of cloud native computing and AI infrastructure.

Kubernetes on Edge Day invites developers and adopters from across the entire cloud native ecosystem to come together and share their insights and experiences in constructing, enhancing, and improving their edge infrastructure.

Join the CNCF community at Observability Day to explore Prometheus, OpenTelemetry, and more. Share real-world insights on scaling, eBPF, and AI observability in an open-source, vendor-neutral forum.

A 1-day event uniting developers, security leaders & open source experts to tackle cloud native security, supply chain, identity, policy & modern security challenges.

Open Sovereign Cloud Day Europe explores how open source and cloud native technologies enable digital sovereignty, resilient infrastructure, data control, interoperability, and compliance across Europe.

Join us for OpenTofu Day 2027 - a full day for the IaC community featuring migrations, deep dives, panels, and new use cases. Connect, learn, and contribute.

Platform Engineering Day explores building and scaling Internal Developer Platforms (IDPs), focusing on real-world challenges, DevEx, maturity models, case studies, and emerging AI-driven workflows for platform teams.

AGNTCon + MCPCon Europe is the flagship annual conference for the open agentic AI ecosystem. The event brings together the builders, contributors, and enterprises working across MCP and the broader landscape of agentic AI systems to share learnings, surface common challenges, and advance open, interoperable approaches to building AI agents at scale.

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.

LF Energy Summit Europe is the annual in-person gathering of the utilities, grid operators, technology vendors, policymakers, and researchers responsible for energy digitalisation. Project updates, technical deep dives, deployment experience from organizations running open source in production, and the chance to see what your peers are actually running.

The Cloud Native Computing Foundation’s flagship conference gathers adopters and technologists from leading open source and cloud native communities in Berlin, Germany from 24-27 April, 2028. Join our CNCF Graduated and Incubating Projects as the community gathers for four days to further the education and advancement of cloud native computing.