Maximize Your Impact At FOSDEM 2026
FOSDEM 2026, taking place on January 31 at ULB Solbosch Campus in Brussels, is a cornerstone event for the open-source software community. This conference draws thousands of developers, engineers, system architects, and tech decision-makers from across Europe and beyond. For companies working in AI, cloud infrastructure, cybersecurity, dev tools, and scalable application development, FOSDEM is a highly valuable setting for networking, feedback gathering, and product visibility.
Beyond technology demonstrations and talks, this event plays a direct role in how companies decide what open-source frameworks, libraries, and development tools they will adopt. Attendees come with clear purchasing influence, whether as heads of engineering, CTOs, or product owners evaluating next-step integrations. With an enriched attendee list from Vendelux, sales and marketing teams gain early insight into who is planning to attend and what technologies they are focused on, enabling precise and timely outreach that supports demand generation and future partnerships.
How Sales, Marketing and Revops Teams Can Use This Attendee List
For sales and marketing specialists targeting developers, SaaS vendors, or enterprise technology teams, FOSDEM offers deep value—if the right people are reached with the right messaging. The enriched conference attendee list from Vendelux helps teams identify technical leads, engineering executives, and procurement influencers before they arrive on-site.
Use attendee data to segment contacts by company size or tech stack adoption. Customize outreach to appeal to developers focused on low-latency systems, secure architectures, or scalable infrastructure. Schedule meetings with engineering managers and open-source advocates who hold budget responsibility or actively shape tooling decisions. Connect early to ensure your platform or solution is on their radar before and during the event. After the conference, use captured attendee insights to shape more thoughtful follow-ups that reflect shared conversations, interests, or upcoming integration opportunities. This is how to get more meetings and make real use of every interaction.
Timing Is Everything
FOSDEM 2026 takes place on January 31, 2026. Considering the depth of decision-making at this event and its open, fast-paced format, early engagement is critical. Use Vendelux’s enriched attendee data in advance to map your outreach plan.
Teams can begin identifying verified attendees months prior, helping them prioritize accounts, understand key interests, and lock in pre-event conversations. Aligning your outreach with the Vendelux attendee list ensures you connect with the right people at the right moment—before their calendars fill up.
What’s Included In The FOSDEM 2026 Attendee List?
Vendelux provides visibility into executives and technical leaders expected to attend FOSDEM 2026 using a combination of organizer-disclosed participant data and predictive insights. Clients can submit their own target account lists to detect overlap with confirmed and likely attendees.
The enriched attendee list includes first and last name, job title, company name, company website, city, state, and country, LinkedIn profile, verified email addresses, and phone numbers (when available).
Where Is FOSDEM 2026?
FOSDEM 2026 will be held at ULB Solbosch Campus in Brussels, Bruxelles, Belgium.
When Is FOSDEM 2026?
The official event date for FOSDEM 2026 is January 31, 2026.
What Type Of Event Is FOSDEM 2026?
FOSDEM is a free-to-attend annual conference focused on free and open-source software development. It brings together software engineers, maintainers, tech leads, and community managers for a weekend of technical talks, developer rooms, and collaboration sessions. The event is known for its depth, technical specificity, and highly engaged networking atmosphere across sessions and informal meet-ups.
How Many People Attend FOSDEM 2026?
FOSDEM is expected to draw over 8,000 attendees from more than 100 countries. The audience largely consists of engineers, backend developers, open-source contributors, DevOps specialists, engineering managers, and CTOs from companies of all sizes—including global tech firms and early-stage startups.
