Welcome to d20Tek
D20Tek is a collection of developer tools, libraries, and tutorials focused on building modern .NET Applications that range from simple command-line applications to modern Blazor applications to multi-platform Avalonia apps.
You can follow along with our weekly Dev Logs to keep up with the latest developments.
Latest Articles & Tutorials
Technical articles and step-by-step guides for building modern .NET applications - Full list
Eliminate Double‑Fetch in Blazor Prerendering with PersistentComponentState
How to use `[PersistentState]` to avoid double-fetching data in Blazor prerendered components.
Basic Spectre.Console Example
Learn how to build rich, interactive command-line tools using the Spectre.Console library
Fixing Blazor WebAssembly Deep Linking
How to fix Blazor WASM deep links with `staticwebapp.config.json` with proper cache-control headers
Full Spectre.Console Tutorial
An end to end tutorial to build rich terminal applications with Spectre.Console library
Make Time Testable with TimeProvider
Learn how to make time testable in your application by using the new .NET TimeProvider class
Project Highlights
Explore some our most popular hosted projects and NuGet packages. And see the full list of projects too.
Blazor BrowserStorage
Type-safe browser local/session storage for Blazor with change notifications and bulk operations
Gridlock
A daily number puzzle game
Notepad Tui
Version of Notepad that runs in your terminal
Blazor Components
Set of helpful Blazor components
dev-log
Command-line tool to create and track weekly developer work logs
dev-killport
Command-line tool to find and kill processes using a specific port
Spectre.Console Extensions
Helpful set of extensions for writing Spectre.Console applications
CLI Tools
Set of helpful developer command line tools
Our approach is simple: understand your challenges, craft elegant solutions, and deliver results that exceed expectations. Let us be your trusted partner in navigating the ever-evolving technology landscape.