Open Source conferences in London 2026 / 2027

Conferences ✕ Europe ✕ United Kingdom ✕ London ✕ Open Source ✕
Asia 19
Africa 0
Europe 38
North America 22
South America 1
Oceania 0
Online 5
Android 2
API 2
Artificial Intelligence (AI) 16
Big Data 12
Business Analysis 3
CIO 2
Cloud 8
Crypto / Blockchain 4
CTO 2
Cybersecurity / InfoSec 1
Data / Database 13
Data Science 12
DevOps 5
Docker / Kubernetes 5
Fintech 5
Flutter 2
Full-stack 3
Google 1
Hardware / IoT 2
HR / Hiring / Recruiting 5
IT 59
IT service management 1
Java 1
JavaScript 1
Kotlin 1
Large Language Model (LLM) 11
Machine Learning (ML) 12
Microsoft 3
Mobile 2
Open Source 4
Postgres 1
Product management 6
Project management / PMO 7
React 1
Salesforce 1
Scala 1
Software architecture 5
SQL 2
SRE 5
Tech 59
Tech leadership 4
Telecom / 5G 2
Testing / QA 1
TypeScript 1
UI / UX 1
Web / Frontend 2
Web3 2
AT Austria 2
BE Belgium 2
CZ Czech Republic 4
DK Denmark 1
FR France 2
DE Germany 12
IT Italy 1
XK Kosovo 1
LU Luxembourg 1
NL Netherlands 3
PL Poland 1
RO Romania 1
ES Spain 1
SE Sweden 1
GB United Kingdom 5

Best Open Source conferences in London 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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Agents and Money London

Open Source conference in London, United Kingdom, Europe

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Cloud Native & Open Source AI Conference

Open Source conference in London, United Kingdom, Europe

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Open Source in Finance Forum London

Open Source conference in London, United Kingdom, Europe

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Umbraco UK Conference 2026

Open Source conference in London, United Kingdom, Europe