Premium .NET Conference

100% free, online edition

4-6 October 2021


The Dotnetos Conference is premium online three-day conference focused on the .NET 5, .NET Core and .NET performance. Top-notch speakers from around the globe and companies like Microsoft or JetBrains. Chance to meet well-known people from .NET community in person!

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Who will be DOTNETOS this time?

What is the agenda?


Dotnetos Conference is delivered to you by three Dotnetos:
Łukasz Pyrzyk
Szymon Kulec
Konrad Kokosa


Three great days

Three days full of knowledge about .NET internals and .NET performance. Your developer's life will not be the same!

Excellent speakers

Top-notch speakers about .NET performance and internals from Poland and abroad. You know them for sure, let's hear them live!


Online, in your house, comfortably on your couch!


Small surprises will be there also! Besides great knowledge and networking opportunity, you can expect amazing contests!


They love it. Read what the previous attendees had to say!

Frequently Asked Questions
What is the format of the conference?

This year, due to current world situation, we have decided it will be the safest and most convenient way to move our conference online. All talks will be presented live on our Youtube channel. But you can still expect 3 knowledge-packed days with some surprises!

Who we are?

Dotnetos is an initiative of three .NET fans. We love this technology and we love performance. We love to get deep into how it works. And we love to share the knowledge we gain. We organize tours, conferences (both public and on-site) and trainings. Contact us if you or your company are interested!

When more details will be published?

Expect a full agenda around May/June!

What will be presented there?

Detailed agenda is to come. But be prepared for low-level, yet still practical knowledge about JIT, Garbage Collection, memory usage, unsafe code, benchmarking, and so on, and so forth.

How will the meeting look?

It will be a 3 day conference with 3 speakers for each day. You'll be able to listen to them anywhere you want as everything will take place online on our YouTube channel. Each talk will last around 1 hour – in high-quality live video streaming!

In what language will the talks be given?

All talks, including those from Polish speakers, will be given in English. This is by design international conference!

Our partners

Event is supported by easily recognizable companies and products which we use everyday.

Platinum sponsors:

Gold sponsors:
Community partners:
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