Kolja Dummann

Language engineering and people

A collection of thoughts and articles at different development stages

The Subscription Trap: Why "Just Add Billing" Fails

Dec 1, 2025
Growing 🌿

MPS Community Meetup: where is the community

Apr 20, 2023
Evergreen 🌳

Low Code or Domain Specific Languages?

Oct 29, 2021
Evergreen 🌳

Why I dislike mob programming

Aug 14, 2021
Evergreen 🌳

Stop the glorification of coding, a rant

Jan 17, 2018
Evergreen 🌳

FOSDEM slides

Feb 3, 2014
Evergreen 🌳

Long-form essays and thoughts.

Feb 14, 2022
In this post, we take a look at a sample application built on top of the modelix stack during my 20% …
Jan 18, 2022
Today marks the 10th birthday of the mbeddr open source project. Looking back on my experience with …
Dec 27, 2021
This year the JetBrains Meta Programming System (MPS) community has continued to grow. Many new …
Skadi Cloud Gist
Evergreen 🌳
Oct 19, 2021
Share MPS code snippets on the web as easy as text.
Jun 14, 2021
We need platforms for models in the cloud!
Skadi Cloud - May Update
Evergreen 🌳
May 8, 2021
After the release about a month ago it’s time for the first bigger update. A couple of small fixes …
Apr 21, 2021
How does MPS identify languages, solutions, models, concepts, nodes, or even properties? In this …
Apr 8, 2021
Getting JetBrains MPS into the browser with Projector on Kubernetes.

A glimpse in what I spent my spare time on.

Heavy Meta

Is a streaming series on Twitch about JetBrains MPS. I typically do two streams a week and it also includes a monthly MPS community update. You can find the detailed announcement here..

Dormant ❄

MPS rocks

Is a small website that tries to collect a lot of community information around MPS. It’s inspired by “awesome lists”..

Evergreen 🌳

MPS extensions

Is a set up extensions to make your life as language developer in MPS easier. It’s an open source project together with JetBrains where I’m one of the maintainers..

Evergreen 🌳