COOL Days 2025, Budapest

2nd - 4th June 2025

Who is COOL Days for?

  • Collabora Online Partners and Integrators.
  • The COOL Community and LibreOffice Contributors.
  • People interested in learning about Collabora Online, how to integrate and the benefits for end users.

What can you expect?

  • The latest news and features in our Collabora Products, presented by the developers behind them.
  • Industry insights from Open Source experts.
  • Hands-on workshops to build and improve your integration with Collabora Online.
  • Support with adding easy features that will take your product to the next level.
  • Team-building, great food and lots of opportunity to meet with the wider community.

Schedule

TimeSessionLocation
17:30E-scooter tour of Buda Castle DistrictMeet at: Március 15. tér, Budapest, 1056 Hungary
19:30Buffet dinnerMovenpick Hotel, Budapest Centrum

Main Track

Time Session Speaker
09:00 Opening & Keynote Michael Meeks
09:30 Collabora & allotropiaThorsten Behrens
09:40 Key Features in COOL 25.04 Richard Brock
10:00 Community Panel Pedro Da Silva & Darshan Upadhayay
10:20 ODF: Still a Standard After 20 Years Italo Vignoli
10:30 Tea Break
11:00 Slide Copy & Paste Across Documents Pranam Lashkari
11:10 New, shiny WebGL presentations in the browser Vivek Javiya
11:20 Slideshow rework under the hood Marco Cecchetti
11:30 PPTX Interoperability – Layout Slides and Font Embedding Jaume Puntajell & Tomaz Vajngerl
11:40 Presenter Console Darshan Upadhyay
11:50 SlideShow: Go Primitives Armin Le Grand
12:00 Levelling Up Security: Rootless Containers, Hidden Signatures, and Process Improvements Caolan McNamara
12:10 Extract/Transform API Attila Szűcs
12:20 zetajs: Beautiful Scripting Stephan Bergmann, Allotropia
12:30 Lunch Break
13:30 Spotlight and Styles Szymon & Banobe
13:40 Comment Improvements Jaume Pujantell Traserra
13:50 Integrate Setting Iframe Vivek Javiya
14:00 Flying Through Forms Richard Brock
14:10 Change Tracking Improvements Miklos Vajna
14:20 Progress in RTF Interoperability Gabor Kelemen
14:30 UI Improvements – Navigator & Ruler Darshan Upadhyay
14:40 Hyphenation Control: Achieving Optimal Readability in Your Documents Laszlo Nemeth
14:50 PDF Annotations Using SdrOjects Tomaž Vajngerl
14:55 Introducing Newly Implemented Calc Functions Balázs Varga
15:05 Auto-Detecting CSV Separators Gabriel Masei – 1&1
15:15 Improving Pivot Tables Export Bayram Çiçek
15:20 Improving PDF Accessibility in Calc Tibor Nagy
15:30 Tea Break
16:00 Electronic Signing in COOL Miklos Vajna
16:10 Nextcloud Updates Salim Belakkaf
16:20 The Next Generation of Charts for Better Data Storytelling Kurt Nordback
16:30 SBOMs Andras Timar
16:40 Optimising Autotext for Multi-Tenant Caolan McNamara
16:50 Server config help Pedro da Silva
17:00 Day End
19:00 Dinner Boat Cruise on the Danube Dock 9 at Jaszai Mari Square near Margaret Island

Partner Track

TimeSessionSpeaker
11:00 – 11:30Partner KeynoteMichael Meeks
11:30 – 12:30Product Road MapMichael Meeks
13:30 – 14:00Account Management – Sales & MarketingEloy Crespo, Mazin Alhaddad & Naomi Obbard
14:00 – 15:00Round TableMichael Meeks
16:00 – 16:30Releases, Support & FeedbackAnna Nazaryan

Main Track

TimeSessionSpeaker
09:00Opening 
09:05Writer OverviewMiklos Vajna
09:20Calc OverviewNaomi Obbard
09:35Impress OverviewRichard Brock
09:50COOL on the Move: Mobile & TabletSkyler Grey
10:0025.04 Performance ImprovementsMiklos Vajna
10:10Connecting Your Ecosystem: COOL New IntegrationsHubert Figuiere
10:20Improved WOPI TroubleshootingMeven Car
10:30Tea Break 
11:10What to avoid in web developmentChris Lord
11:20Accessibility UpdatesDarshan Upadhyay
11:30QA Matrix OverviewJoao Moreira de Azevdo
11:40WASMThorsten Behrens
11:50zetajs: Web App Development – Build Office Tools without Server LoadMoritz Duge
12:00From Contributor to CollaboranParth Raiyani
12:10Unlocking Tech Communities: Where to Find Them and How to ParticipateAsja Candic
12:30Lunch Break 
13:30Driving Efficiency – Using LibreOffice and Collabora Online to Build a Powerful Automotive Engineering ToolThomas Krämer – Vector
13:50How Customers Collaborate on CollaboraGerd Räther – Computacenter
14:00Indryve + Collabora: A Partnership for Secure Enterprise CollaborationAnantha Raghava – Indryve
14:10EGroupware invoice – creating E-invoices using Collabora integration with placeholders and SDK APIBirgit Becker – EGroupware GmbH
14:20Empowering Collaboration: Collabora Online in the Europa Community PlatformFrancesco Sardara – DIGIT
14:30Real Time Office File Editing in XWiki with Collabora OnlineLavinia Vitel – XWiki
14:40The Continued Ethical Stride of COOL PartneringLeif-Joran Olsson – Fri programvaru-syndikatet Gbg
14:50OpenDesk – The Open Source AlternativeLily Logua
15:00B1 & OpenDeskMarkus Gurtler – B1
15:10Some Recent Performance Work Noel Grandin
15:30Tea Break 
16:00Interoperability Testing & WinsAron Budea
16:10PyUNO Playground – Working around limitations of the Pythonic approachSarper Akdemir
16:20Technical underpinning of beautiful remote web dialog widgetsSzymon Klos
16:30Memory ReductionCaolan McNamara
16:40COOL Controller UpdatesRashesh Padia
16:50Day 2 Wrap Up 
17:00Day End 
19:00Dinner & Team Building EventLUMEN
1085 Budapest, Horánszky utca 5.

Integrations Track

TimeSessionSpeaker
All DayHackfest 
11:00 – 12:10Integration Basics
Scorecard, best practises, storage, authentication and WOPI-like API’s
Caolan McNamara
13:30 – 14:30Integration Customisation
How to Customise the UI
Pedro Silva
14:30 – 15:30Integration API’s
New settings for security and control
Ashod Nakashian, Vivek Javiya & Caolan McNamara
16:00 – 16:50Integration API’s
New API’s to boost functionality
 Pedro Silva

Internal Team Meetings

 

TimeSessionSpeaker
09:00CEO KeynoteMichael Meeks
10:30Tea Break 
11:00Workshops 
12:30Lunch Break 
13:30Workshops 
15:00Tea Break & End 

What did 2024 attendees say?​

“Thank you for an excellent conference.”

“I’ve been inspired through my conversations. Great experience and awesome people.”

"Our integration is now working beautifully. It scales to everything we need.”

“The Soap Box Derby was a good team building event; it was fun to work together with partners, community and colleagues.”

Location: Novotel (Mövenpick Hotel), Budapest Centrum

Watch Online

Join Us Live from Budapest

The COOL Days live stream will be happening on 3rd & 4th June from 09:00 – 17:00 CEST

Location: Novotel (Mövenpick Hotel), Budapest Centrum

Get Involved

Register for COOL Days today from only €100

  • Free tickets are available for partners, and contributors to the LibreOffice codebase. Please email marketing@collaboraoffice.com for more information.
  • Collabora’s mission to “Make Open Source Rock” has been an ongoing success thanks to our amazing diverse community and we would love to involve as many contributors as possible in our event. We have a select few travel sponsorship opportunities for those who need financial assistance to attend. If you require travel sponsorship you can request more information by emailing marketing@collaboraoffice.com.
  • Closing date for registrations is 16/05/25.

 

We look forward to welcoming you in Budapest!

Sign up closes in:

Days

Call for Speakers

Share your expertise at COOL Days!

We’re seeking engaging Lightning Talks and insightful Workshops. If you’d like to contribute, please submit your details and a talk/workshop overview.

Suggested topics include:

  • Your Collabora Online integration experiences
  • Features you’ve developed within LibreOffice
  • Your expertise on Open Source, digital sovereignty and document freedom.

Recap COOL Days 2024

COOL Days 2024:

  • Engaging Workshops
  • Lightning Talks from the Developers behind Collabora Online
  • Networking Opportunities
  • Hack with the COOL Community
  • Team Building Activities
  • Evening Socials

Cost: €100*

Accommodation €145/pn at Novotel, Budapest Centrum
Use code…… for our rates

 

*Free tickets available for partners & contributors

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