Open Source conferences in London 2026 / 2027

Conferences ✕ Europe ✕ United Kingdom ✕ London ✕ Open Source ✕
Asia 13
Africa 0
Europe 36
North America 28
South America 0
Oceania 2
Online 8
Agile 1
Android 2
Angular 1
API 1
Artificial Intelligence (AI) 23
Azure 1
Big Data 20
Business Analysis 1
CIO 3
Cloud 6
Crypto / Blockchain 3
CTO 4
Cybersecurity / InfoSec 2
Data / Database 20
Data Science 20
DevOps 4
Docker / Kubernetes 3
Fintech 4
Flutter 2
Full-stack 3
Hardware / IoT 2
HR / Hiring / Recruiting 3
IT 56
JavaScript 2
Large Language Model (LLM) 20
Machine Learning (ML) 20
Microsoft 3
Mobile 2
Open Source 2
Product management 5
Project management / PMO 5
React 2
Rust 1
Salesforce 2
Software architecture 4
SRE 3
Tech 56
Tech leadership 6
Telecom / 5G 2
Testing / QA 2
TypeScript 2
UI / UX 1
Web / Frontend 2
Web3 2
AT Austria 1
BE Belgium 1
BG Bulgaria 2
DK Denmark 1
FI Finland 1
FR France 1
DE Germany 8
IE Ireland 1
IT Italy 2
LV Latvia 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 6

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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Umbraco Partner Summit 2026

Open Source conference in London, United Kingdom, Europe

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Umbraco UK Conference 2026

Open Source conference in London, United Kingdom, Europe