Open Source conferences in Sofia 2026 / 2027

Conferences ✕ Europe ✕ Bulgaria ✕ Sofia ✕ Open Source ✕
Asia 12
Africa 0
Europe 41
North America 29
South America 0
Oceania 1
Online 8
Agile 1
Artificial Intelligence (AI) 3
Big Data 2
Data / Database 2
Data Science 2
Full-stack 3
IT 11
Java 1
Kotlin 1
Machine Learning (ML) 2
Open Source 2
PHP 1
Product management 1
Scala 1
Scrum 1
Software architecture 3
SQL 2
Tech 11
Tech leadership 1
Testing / QA 1
WordPress 1
AT Austria 1
BE Belgium 1
BG Bulgaria 2
CZ Czech Republic 4
DK Denmark 1
FR France 1
DE Germany 8
IE Ireland 1
IT Italy 2
LV Latvia 1
LU Luxembourg 1
NL Netherlands 1
NO Norway 1
PL Poland 1
RO Romania 1
ES Spain 5
SE Sweden 1
CH Switzerland 1
GB United Kingdom 7

Best Open Source conferences in Sofia 2026 / 2027

Best conference
The Principal Dev – Masterclass for Tech Leads

The Principal Dev – Masterclass for Tech Leads

Certification masterclass for experienced software engineers.

Best conference
Clean Architecture Masterclass

Clean Architecture Masterclass

Certification masterclass for experienced Java developers.

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OpenFest 2026

Open Source conference in Sofia, Bulgaria, Europe

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OpenFest 2026

Open Source conference in Sofia, Bulgaria, Europe