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NikolayIT/README.md

Nikolay Kostov

Solutions Architect  ·  Microsoft Certified Trainer  ·  Sofia, Bulgaria

Blog  ·  YouTube


I design and build systems on .NET, and I teach. I write about software architecture, C# and ASP.NET Core on my blog and publish videos on YouTube. Most of what I build ends up open source here.

Featured projects

Project What it is
ASP.NET-Core-Template Ready-to-use ASP.NET Core template with repositories, services, mapping, DI and clean StyleCop Stars
OpenJudgeSystem Open source system for online algorithm competitions Stars
RatioMaster.NET Byte-exact BitTorrent client emulator for 34 client versions, single file for Windows, Linux and macOS Stars
CSharpConsoleGames A bunch of C# console games Stars
MusicX Web music player built with Blazor WebAssembly Stars
TexasHoldemGameEngine Texas Hold 'em poker game engine Stars
PressCenters.com News aggregator for Bulgarian government press releases, ASP.NET Core Stars
nikolay.it The blog system that runs nikolay.it Stars
BelotGameEngine Belot card game engine written in C# Stars
ArtificialIntelligencePlayground Experiments with AI and machine learning Stars
SantaseGameEngine Santase card game engine Stars
CSharp-New-Features Samples demonstrating new C# language features Stars

GitHub at a glance

Public repositories 26 Commits 17,281
Stars received 3,370 Pull requests 55
Followers 2,074 Code reviews 28
Years on GitHub 13 Issues opened 396

Languages

C# JavaScript CSS

Statistics refresh automatically every 12 hours (last update 2026-09-19).

Pinned Loading

  1. OpenJudgeSystem OpenJudgeSystem Public

    An open source system for online algorithm competitions for Windows, written in ASP.NET MVC

    JavaScript 520 96

  2. ASP.NET-Core-Template ASP.NET-Core-Template Public template

    A ready-to-use template for ASP.NET Core with repositories, services, models mapping, DI and StyleCop warnings fixed.

    C# 1.2k 174

  3. RatioMaster.NET RatioMaster.NET Public

    Standalone app that fakes the upload and download a BitTorrent tracker sees for a torrent, without a torrent client and without transferring anything. Byte-exact emulation of 34 client versions (qB…

    C# 411 73

  4. CSharpConsoleGames CSharpConsoleGames Public

    Bunch of C# console games

    C# 257 98

  5. MusicX MusicX Public

    Simple web music player built with Blazor WebAssembly

    C# 157 12

  6. SantaseGameEngine SantaseGameEngine Public

    Santase card game engine

    C# 48 14