Open Source conferences

Open source developers, maintainers, and community leaders.

Open Source Summit is the premier event for open source developers and contributors, fostering collaboration and knowledge sharing.

Open-source developers, DevOps teams, AI engineers and technology architects

Now in its 23rd edition and billed as India's longest-running open-source event, its speaker line-up draws specifically from open-source maintainers and AI-ecosystem technologists together.

site reliability engineers and Prometheus developers

Organized by the Prometheus developer community itself, it's a single-project conference now in its eleventh year and hosted at Google's Munich office.

Developers, engineers, scientists, C-level management, and community leaders.

Community Over Code is the official conference of The Apache Software Foundation, focusing on open source collaboration and governance.

Individuals interested in open source, data, science, and education.

OmniOpenCon is a free event focused on openness, featuring hands-on workshops and talks, inspired by FOSDEM.

open source developers, maintainers and technology leaders

Bundles co-located events -- a Community Leadership Summit, Open Source Accessibility Summit and an AI Hackathon -- alongside its main two-day programme.

AI pioneers, researchers, and developers

The conference gathers top-tier AI pioneers, researchers, and developers to explore open source AI and PyTorch projects.

Developers, architects, platform engineers and engineering leaders from Poland and across Europe.

Grown out of KCD Warsaw 2025, Poland's first Kubernetes Community Days, with CNCF as foundation partner and talks on agentic workloads, GitOps at scale and GPU multi-tenancy.

University students, security professionals, software engineers, and open source contributors.

SeaGL is a free grassroots summit focused on free/libre/open source software, hardware, and culture, fostering community and mentorship.

Developers, platform, DevOps and AI infrastructure engineers, and SREs in the Netherlands and Europe.

Community-organised, vendor-neutral and supported by Stichting Cloud Native Netherlands, with hands-on workshops, multi-track talks, panels and open space sessions.

Open-source developers, makers, IoT and security enthusiasts, and open-data advocates in Czechia.

Formed from the merger of LinuxAlt and Openmobility, it spans software, hardware and civic openness, from mobile Linux and embedded hardware to open data in public administration.

Free and open-source software developers, maintainers, users and newcomers in Bulgaria.

Held every year since 2003 and organised by the Open Projects Foundation; this edition's motto, 'to be discussed, to be decided', backs the people building what comes next.

PostgreSQL users, contributors, operators and developers across Asia.

A community conference first held in Japan, with a programme spanning internals and extensions, production operations, data platforms and AI, and project governance.

Apache CloudStack developers, cloud architects and system admins

Opens with a full hackathon day before the talks begin, covering hands-on topics like Ceph storage backends and real-world VXLAN deployments with named vendor hardware.

Symfony and PHP developers of all levels, Drupal developers and technical managers using Symfony.

A full Symfony week with the Symfony Core Team on hand for questions, and an open hackday after the talks that needs no ticket.

enterprise IT and open source infrastructure professionals

Builds sessions around named enterprise case studies, like Deutsche Bank's own transformation story, rather than generic vendor product pitches.

WordPress users, developers and contributors from across Asia and the global community.

Billed as the largest WordPress community gathering in Asia, supported by Malaysia's Ministry of Digital, with open calls for speakers and volunteers and a day for contributing back to WordPress.

Open source developers and contributors in the Eclipse Foundation community

Run by the Eclipse Foundation with sessions typically recorded and published free on YouTube afterward, with no paywall and no registration required to watch.

Samba protocol developers and IT infrastructure experts

Now in its 26th edition, it stays a single-purpose meet-up built around one open-source project rather than a broad multi-topic IT conference.

Developers, DevOps and platform engineers and architects working with Kubernetes and cloud native tooling.

Volunteer-run and open about it, publishing a transparency report; the programme spans Kubernetes, platform engineering, observability, security, GitOps and AI on cloud native.

Enterprise IT, platform and open-source professionals.

Red Hat's flagship event for enterprise open source, spanning Linux, Kubernetes, hybrid cloud and automation.