FOSDEM 2026 Exhibitors List & Attendees List

FOSDEM 2026 (Free and Open Source Developers’ European Meeting) is a premier annual event dedicated to open-source software development, collaboration, and innovation. The conference brings together thousands of developers, contributors, system administrators, and technology companies from around the world.

FOSDEM serves as a central meeting point for open-source communities, covering topics such as operating systems, programming languages, cloud infrastructure, DevOps, security, data technologies, and emerging software trends.

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Event Highlights:

Recommended For

Open-source software companies and foundations
Developer tools and platform providers
Cloud, DevOps, and infrastructure vendors
Technology recruiters and talent acquisition teams
System integrators and IT consultancies
Engineering leaders and software architects
Community managers and open-source advocates

Event Highlights

Open-source software projects and community tracks
Programming languages, frameworks, and developer tools
Cloud infrastructure, DevOps, and container technologies
Security, privacy, and open standards discussions
Community-led talks, workshops, and lightning sessions
Networking with global open-source contributors

Exhibition Overview

FOSDEM 2026 features project stands, community booths, and participating technology organizations showcasing open-source tools, platforms, and initiatives. While the event is community-driven, exhibitors and sponsors present solutions that support development, collaboration, and enterprise adoption of open-source technologies. Attendees include software developers, maintainers, contributors, engineering managers, CTOs, and technology decision-makers actively involved in building and deploying open-source solutions.

Interactive Demonstrations

FOSDEM 2026 offers interactive demonstrations through live coding sessions, technical workshops, project showcases, and hands-on labs. Attendees can engage directly with maintainers, explore real-world implementations, and evaluate tools in practical development environments. These interactive formats encourage knowledge sharing, technical learning, and deeper collaboration across open-source communities.

What’s Included in the FOSDEM 2026 Exhibitors & Attendees List

Verified contact details of exhibitors and attendees
Access to developers, engineers, and open-source leaders
Segmentation by technology stack, role, and project focus
CRM-ready datasets for marketing, recruitment, and outreach
Global coverage of open-source communities and companies
Regularly updated and validated records

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LinkedIn Profile on Request

Event Details

Sample Dataset

The sample dataset includes open-source project maintainers, software developers, DevOps engineers, platform architects, and contributors attending FOSDEM 2026. It also features technology companies, cloud providers, developer tool vendors, and open-source foundations participating as exhibitors or sponsors.

Each record includes role-based details such as software engineer, maintainer, CTO, engineering manager, DevRel lead, and community organizer, supporting targeted outreach, hiring, and partnership initiatives.

Streamline your marketing efforts by customizing contacts based on criteria like:

Why Choose Our FOSDEM 2026 Exhibitors & Attendees List

Engage a highly technical, open-source–driven audience with strong intent to collaborate and innovate.

Direct Access to Open-Source Professionals

Connect with developers, maintainers, and engineering leaders. Reach contributors influencing technology adoption.

Global Developer Community Reach

Access contributors from Europe and worldwide. Expand presence across international open-source markets.

High-Intent Technical Engagement

Reach attendees actively contributing to or adopting open-source tools. Support partnerships, hiring, and product adoption.

Comprehensive Open-Source Ecosystem Coverage

Engage communities across languages, platforms, and infrastructure. Gain visibility into diverse open-source projects.

Ideal for Developer Relations

Engage contributors through targeted DevRel and community campaigns. Strengthen adoption, advocacy, and long-term open-source engagement.

Verified & Updated Contact Data

All contacts are human-verified and refreshed regularly. Ensure reliable communication and engagement.

Looking for Event Editions or Post-Event Attendee Lists?

Get access to both past and upcoming event editions, complete with verified post-event attendee and exhibitor lists. These lists are curated to include accurate contact details of key decision-makers, industry professionals, and exhibiting companies.

Contact List Opt-In Process

When starting a marketing campaign, ensure you leverage an opt-in contact list. This list consists of the contact details of individuals who explicitly agree to receive messages from you.

Step 1

Data Sourcing

The Data is collected manually through multiple online and offline global subscriptions, including e-books, tradeshows, news agencies, directories, web journals, and more, to gather relevant information.

Step 2

Data Appending

The Missing fields in the collected data are appended and verified using our patent machine learning tools to compile and segment the contact list.

Step 3

Data Validation

To validate contact records, a thorough scanning process is conducted to match them against our master database. A manual check is then initiated and cross-verified with the social media platform to ensure authenticity.

Step 4

Data Cleansing

Statistical and analytical techniques are employed to identify anomalies in the data. The data cleaning process is initiated after a thorough check of the state data. A manual check is then initiated and cross-verified with the social media platform to ensure authenticity.

Step 5

Data Accuracy

After the cleaning workflow, the data is inspected for accuracy. Our Data analysts identify records that require manual repair, and the cycle of validation, verification, and cleaning is then repeated.

Step 6

Email Campaigns for Consent

AB tested OPT-IN Email Campaigns are run to legalize and legitimize consent with based information to comply with global data policies, including CAN-SPAM and GDPR.

Step 7

Tele-verification & Opt-out Campaign

The Final compiled list of records receives Opt-out mailers, followed by tele-verification campaigns to confirm consent for all data fields.

How to Leverage the FOSDEM 2026 Exhibitors & Attendees List

Recruit Technical Talent

Reach developers and engineers active in open-source communities. Support targeted hiring campaigns.

Promote Developer Tools & Platforms

Engage users evaluating frameworks, libraries, and platforms. Increase adoption through precise outreach.

Build Open-Source Partnerships

Collaborate with projects, foundations, and technology providers. Strengthen ecosystem relationships.

Expand Community & Brand Presence

Grow visibility within open-source networks.
Build long-term credibility and trust.

Benefits of FOSDEM 2026 Exhibitors & Attendees List

Open-Source Market Intelligence

Identify technologies and communities gaining traction. Align outreach with developer demand.

Faster Access to Technical Decision-Makers

Engage contributors and leaders shaping technology choices. Reduce outreach friction.

Stronger Developer Ecosystem Positioning

Enhance credibility within open-source communities. Build long-term influence.

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Get the FOSDEM 2026 Exhibitors & Attendees List

Access verified, high-value contacts from FOSDEM 2026 to connect with developers, contributors, exhibitors, and open-source technology leaders. Expand your reach, strengthen collaborations, and grow your presence in the global open-source ecosystem.