OSI Maintainer Month

May 21, 2025 @ 11:30 am – 12:30 pm –

As part of our programming for May, OSI will host a virtual Town Hall with our affiliate organizations and invite the broader Open Source community to join. The Town Hall will be hosted May 21st at 11:30am Eastern Time and will offer a space to discuss how we can support maintainers, foster secure development practices, and share resources across geographies and sectors.

Viva Technology

June 11, 2025 – June 14, 2025 @ All Day – VivaTech accelerates innovation by connecting startups, tech leaders, major companies, public institutions, & investors responding to our world’s biggest challenges. https://vivatechnology.com/

UN Open Source Week 2025

June 16, 2025 – June 20, 2025 @ 12:00 am – https://www.un.org/digital-emerging-technologies/content/open-source-week-2025 UN Open Source Week 2025 facilitates global dialogue and collaboration on open source, digital public infrastructure (DPI), and the development of innovative solutions to global challenges. Since its inception in 2023, the event has captured significant international attention, reflecting strong demand for a UN-led forum on open source and digital cooperation.

OW2con

June 17, 2025 – June 18, 2025 @ All Day – OW2con the annual conference of the Open Source community. Join us on June 17 and 18 in Paris – Châtillon for an edition focused on the theme of pen Source and responsible AI. The program includes around thirty conferences and keynotes exploring how open source will contribute to this transformation.

Open Source Summit NA

June 23, 2025 – June 25, 2025 @ All Day – Open Source Summit is the premier event for open source developers, technologists, and community leaders to collaborate, share information, solve problems, and gain knowledge, furthering open source innovation and ensuring a sustainable open source ecosystem. It is the gathering place for open-source code and community contributors. Open Source Summit is an umbrella conference featuring a […]

Linux Foundation Europe Roadshow

July 8, 2025 @ All Day – The Linux Foundation Europe Roadshow is a dynamic, one-day event designed to bring together policymakers, developers, academics, and industry leaders for a grassroots gathering focused on the future of open source in Europe. Our first stop, Milan, will feature a dedicated Impact Track spotlighting regulated industries, particularly the financial sector’s evolving relationship with open source. As […]

Open Source Summit Europe

August 25, 2025 – August 27, 2025 @ All Day – Open Source Summit is the premier event for open source developers, technologists, and community leaders to collaborate, share information, solve problems, and gain knowledge, furthering open source innovation and ensuring a sustainable open source ecosystem. It is the gathering place for open-source code and community contributors.

AI_dev

August 28, 2025 – August 29, 2025 @ All Day – AI_dev is a nexus for developers delving into the intricate realm of open source generative AI and machine learning. At the heart of this event is the belief that open source is the engine of innovation in AI. By uniting the brightest developers from around the world, we aim to ignite discussions, foster collaborations, and […]

Community over Code NA

September 11, 2025 – September 14, 2025 @ All Day – Community Over Code will feature four in-person days of sessions at the Hyatt Regency Minneapolis for ASF members, committers, and open source developers from around the world, focusing on Search, Big Data, Internet of Things, Community, Geospatial, Financial Tech, and many other topics. Each evening also features Birds of a Feather (BoF) sessions, where communities […]

Open Source Congress

September 16, 2025 @ All Day – Now in its third year, Open Source Congress is dedicated to fostering global dialogue, collaboration, and strategic development of the open source ecosystem by gathering code-producing open source software foundations’ leadership in an intimate, facilitated forum.

Nerdearla

September 23, 2025 – September 27, 2025 @ All Day – Nerdearla is a social experience, both in person and streaming. Coworking spaces, talks, workshops, and many opportunities for networking and learning from industry leaders. Since 2014, we have organized a 100% free, world-class event in Latin America with high-quality content in science and technology.