Event Schedule
Event Format
Our goal is to make this event as concretely useful to open source founders as possible. The event format: a single track talks followed by workshops, both in the morning and afternoon. Join us in the evenings for networking and discussions over a drink.
Event Schedule - The day before
Sunday 17th of May 2026
Welcome drinks
Join us for apéro (light snacks, drinks and pizzas).
Event Schedule - Day 1
Monday 18th of May 2026
Doors Open
Check-in, grab a coffee and a croissant, get ready for the day.
Welcome to the Open Source Founders Summit
A short welcome talk.
Talk: CFO lessons for building profitable open source companies
Practical financial insights and hard-won lessons from a CFO's perspective on how to build and sustain a profitable open source business. Alessandro Mazzocchetti (Odoo).
Breakout workshops, session 1
Breakout workshops of between 10 and 15 attendees, each group focused on a specific aspect of building open source businesses (product management, scaling engineering teams, marketing, sales, commercial models, etc).
- Wellness for open source founders, Kevin Muller (Passbolt)
- Balancing open source principles with sustainable revenue, Heili Toome (MobilityData)
- Working with open source foundations, Florent Zara (Eclipse Foundation)
- Pricing models, Looking for a Moderator (Is it you?)
Break
Grab a cup of coffee and mingle.
Talk: Legal Unknown Unknowns in Open Source Business
A look at the overlooked legal risks and blind spots that open source businesses often encounter too late. Clint Smith (Discord).
Breakout workshops, session 2
Breakout workshops of between 10 and 15 attendees, each group focused on a specific aspect of building open source businesses (product management, scaling engineering teams, marketing, sales, commercial models, etc).
- CRA compliance for OSS businesses, Philippe Ombredanne (nexB)
- Open source labels, Ludovic Dubost (XWiki)
- Long sales cycles with large organizations: how to speed it up, Paul-Henri Pillet (Gatling)
Lunch break
Head to the kitchen and grab something to eat.
Talk: How do you make money as an open source company?
An exploration of the business models and revenue strategies that open source companies use to sustain themselves. Thibaut Rouffineau (Ex-Canonical).
Breakout workshops, session 3
Breakout workshops of between 10 and 15 attendees, each group focused on a specific aspect of building open source businesses (product management, scaling engineering teams, marketing, sales, commercial models, etc).
- Metrics that pay the bills, Gael Fraiteur (PostSharp Technologies)
- 'Call Home' - source of info or ethical problem?, Peter Zaitsev (Percona)
- Educating the market about open source solutions in general, Alexei Vladishev (Zabbix)
Break
Grab a cup of coffee and mingle.
Lightning Talks
A quick series of five-minute talks where attendees can share their tips and lessons learned.
- How to ethically close an open source company, Daniel Izquierdo (Bitergia)
- How we fucked up our first series A attempt, Kevin Muller (Passbolt)
- Growth through acquisition, Michael Meeks (Collabora Productivity)
- Adding cloud when offline-first is your selling point, Guillaume Monnet (Mockoon)
- Organizing a company like an open source community, Vincent Picavet (Oslandia)
- How AI is devaluing proprietary code, Justin Cormack (Docker)
Day 1 wrap up
Reflecting on the first day of the summit. Information about the optional evening plans.
Networking drinks
Continue the conversation over drinks.
Dinner
For those who want and can, enjoy a laid-back atmosphere as we continue conversations over a meal.
Event Schedule - Day 2
Tuesday 19th of May 2026
Doors Open
Check-in, grab a coffee and a croissant, get ready for the day.
Talk: Writing Your Company in Public
What GitLab Learned from Building the Open Source Playbook in the Age of AI Nick Veenhof (GitLab).
Breakout workshops, session 4
Breakout workshops of between 10 and 15 attendees, each group focused on a specific aspect of building open source businesses (product management, scaling engineering teams, marketing, sales, commercial models, etc).
- Thomas's top-secret session, Thomas di Giacomo (Suse)
- Matt's mysterious workshop, Matt Barker (Founder)
- From OSPOs to AI-Ready, Nithya Ruff (Ex-AWS)
Break
Grab a cup of coffee and mingle.
Talk: AMA with Amandine Le Pape and Matthew Hodgson
An open ask-me-anything session with Amandine Le Pape and Matthew Hodgson, covering topics from open source strategy to building sustainable communities. Amandine Le Pape (Element) Matthew Hodgson (Element).
Breakout workshops, session 5
Breakout workshops of between 10 and 15 attendees, each group focused on a specific aspect of building open source businesses (product management, scaling engineering teams, marketing, sales, commercial models, etc).
- Lighting Up the Open-Source Dark Funnel, Matthew Trifiro (COSSA)
- David's work-in-progress workshop, David Aronchick (Expanso)
Lunch break
Head to the kitchen and grab something to eat.
Talk: AMA with Gaël Duval
An open ask-me-anything session with Gaël Duval, covering lessons learned from building and sustaining an open source business. Gaël Duval (Murena).
Breakout workshops, session 6
Breakout workshops of between 10 and 15 attendees, each group focused on a specific aspect of building open source businesses (product management, scaling engineering teams, marketing, sales, commercial models, etc).
- Dominique's surprise workshop, Dominique De Cooman (Dropsolid)
- How much is AI really going to change things? How do we prepare?, Looking for a Moderator (Is it you?)
Break
Grab a cup of coffee and mingle.
Lightning Talks
A quick series of five-minute talks where attendees can share their tips and lessons learned.
- The OSS Founder Split Brain problem, Paul-Henri Pillet (Gatling)
- We Didn't Build a Funnel. We Found One., Matthew Trifiro (COSSA)
- Structuring your 'business' as a non-profit entity, Philippe Ombredanne (nexB)
- Content strategy in the age of AI, Peter Zaitsev (Percona)
- Preparing to fork after an acquisition, Vincent Untz (Centreon)
Farewell #OSFS26!
Reflections on the summit and what to expect next.