Guides written by people who write C# for a living
Kastorinemia started as a set of internal notes for onboarding junior developers onto C# projects, and turned into a series of guides once it became clear the same explanations kept helping people.
What we do
We write structured PDF guides that teach C# and the .NET ecosystem in a defined sequence. Each guide covers a specific set of modules — listed in full before you buy — and assumes only what the guides before it have already covered. We don't publish a guide until every code sample in it has been written and run.
How the guides are made
Each guide goes through the same process: outline the modules, write the explanations, write and test every code sample, then review the whole guide for accuracy before it's published. When something in the .NET ecosystem changes in a way that affects a guide, we update the guide and note the change on the latest updates page.
Who writes them
The guides are written by developers with hands-on experience building applications in C# and .NET, not by content writers unfamiliar with the language. We'd rather a guide be plain and accurate than exciting and vague.
What we don't do
- We don't promise a job, a salary, or a specific outcome — what you get is the content described on each guide's page.
- We don't run limited-time offers or artificial countdowns. Prices are what they are.
- We don't bundle guides you didn't ask for. Buy the one you need.
Questions before you buy
If you're not sure a guide is the right fit, start with the Free Kit or read the module list on the curriculum page. You can also reach out directly on the contact page.