31th International Joint Conference ESUG: European Smalltalk User Group

Announcement and Call for Contributions

The 31th ESUG conference will be held in Plovdiv, Bulgaria from Tuesday 7th to Friday 10th of July 2026. The collocated isLoop summer school to be held from Saturday 4th to Monday 6th of July 2026 and spread all during the conference through student volunteering program.

Program & Info

Calls for Contributions

This call includes:

Show us Your Project

Additionally, we invite all attendies to announce their fresh work in any of Smalltalk technologies and to show it shortly during the dedicated sessions during the conference. We will collect the show topics during the conference at the student volunteer desk.

International Workshop on Smalltalk Technologies

IWST is an inspirative venue for sharing early ideas, preliminary results, tool demonstration, and any other more-or less inmature form of innovation and research contribution published in an academic manner.

Student Volunteer Program

If you are a student wanting to attend ESUG, have you considered being a student volunteer? Student volunteers help keep the conference running smoothly; in return, they have free accommodations, while still having most of the time to enjoy the conference. More information. From last year, ESUG is co-locating the isLoop summer school for student volunteers during the weekend before the conference.

You can support the ESUG conference in many different ways:

  • Sponsor the conference by our sponsoring packages
  • Submit a talk, a software or a paper to one of the events. See below.
  • Attend the conference. We'd like to beat the previous record of attendance.

Thanks to our sponsors, students can get free registration and hosting if they enroll into the Student Volunteers program.

Conference Registration

Conference Registration (opening soon). Now you can also pay (without extra fees) at HelloAsso.

Early registration deadline: 15/04/2025

Registration fees are to be defined. Conference prices ESUG 2025 in Euros:

  • Early Registration Fee: 600€ (all days) / 200€ (per day)
  • Late Registration Fee: 1000€ (all days) / 300€ (per day)
  • Extra person to social dinner: 70€
  • Payment by bank transfer: free of charge
  • Payment by credit card: +6% fees
  • For late registrations we cannot ensure the availability of T-Shirts nor Social Event extra participants

: If the refund is requested during the early bird period all the fee (without charges) will be refunded. If it is requested after the early bird period is finished, the refund will be 50%

Conference organization

**ESUG 2026 organization committee**

  • Stéphane Ducasse, Inria Lille, France.
  • Noury Bouraqadi, IMT, France.
  • Christophe Demarey, Inria Lille, France.
  • Marcus Denker, Inria Lille, France.
  • Luc Fabresse, IMT Nord Europe, France.
  • Gordana Rakić, University of Novi Sad, Serbia
  • Elena Somova, "Paisii Hilendarski" University of Plovdiv, Bulgaria
  • Pablo Tesone, Pharo Consortium, France.
  • Oleksandr Zaitsev, CIRAD, France.

**IWST 2026 organization committee**

  • Gordana Rakic, University of Novi Sad, Serbia
  • Nahuel Palumbo, Argentina
  • Guille Polito, Inria Lille, France