C#

Trending C# repositories on GitHub — ranked by total activity score (stars, forks, pushes, PRs) over the past month.

50
Trending Repos
5,803
Total Stars
431
Total Forks

🔥 Trending C# Repos — Past Month

1,587🍴 114
2
iOfficeAI/OfficeCLI

OfficeCLI is the first and best command-line tool purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.

266🍴 23
3
Facepunch/sbox-public

s&box is a modern game engine, built on Valve's Source 2 and the latest .NET technology, it provides a modern intuitive editor for creating games

239🍴 23
4
memstechtips/Winhance

Application designed to optimize, customize and enhance your Windows experience.

298🍴 10
5
CoplayDev/unity-mcp

Unity MCP acts as a bridge, allowing AI assistants (like Claude, Cursor) to interact directly with your Unity Editor via a local MCP (Model Context Protocol) Client. Give your LLM tools to manage assets, control scenes, edit scripts, and automate tasks within Unity.

259🍴 19
6
unchihugo/FluentFlyout

The modern Flyout app for Windows 11, built with Fluent 2 Design principles. Media Flyouts, Taskbar Widgets and more.

189🍴 7
7
Devolutions/UniGetUI

UniGetUI: The Graphical Interface for your package managers. Could be terribly described as a package manager manager to manage your package managers

168🍴 10
8
Justsenger/ExHyperV

The Excalibur of Hyper-V / Hyper-V 神器

162🍴 11
9
IvanMurzak/Unity-MCP

AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.

128🍴 10
10
dotnet/skills

Repository for skills to assist AI coding agents with .NET and C#

103🍴 10
11
resumex/doom-over-dns

Play Doom entirely from DNS records. (PowerShell 7+)

93🍴 4
12
Agustinm28/Optiscaler-Client

A modern manager for OptiScaler

82🍴 4
13
files-community/Files

A modern file manager that helps users organize their files and folders.

139🍴 9
14
vibeeval/vibecosystem

Your AI software team. 139 agents, 295 skills, 73 hooks. Self-learning, multi-agent swarm, cross-project training. Built on Claude Code.

97🍴 9
15
STranslate/STranslate

A ready-to-go translation ocr tool developed with WPF/WPF 开发的一款即用即走的翻译、OCR工具

118🍴 3
16
managedcode/dotnet-skills

Installable .NET skill catalog and CLI for Codex, Claude Code, GitHub Copilot, and Gemini.

69🍴 7
17
SirDiabo/N64RecompLauncher

A Launcher that Downloads and Updates N64 Recompilations

68🍴 3
66🍴 5
19
QuantConnect/Lean

Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

115🍴 22
20
Besty0728/Unity-Skills

AI automation skills specifically designed for Unity

68🍴 3
21
lostindark/DriverStoreExplorer

Driver Store Explorer

109🍴 5
22
Klocman/Bulk-Crap-Uninstaller

Remove large amounts of unwanted applications quickly.

108🍴 3
23
Timmoth/RackPeek

CLI tool to discover, manage, and document your IT infrastructure and home lab.

56🍴 4
24
Seafoam-Labs/Shelly-ALPM

Pacman alternative for ArchLinux, designed with you in mind.

46🍴 1
25
Diorser/LiteMonitor

一款轻量级、高度可定制的 Windows桌面和任务栏硬件性能监控工具,支持监测 CPU、GPU、内存、磁盘、网速、FPS 计数、插件扩展及内存清理。A lightweight, customizable hardware monitor for the Windows desktop & taskbar. Features CPU/GPU/RAM/Network monitoring, FPS counter, plugin support, and memory optimization.

52🍴 1
26
Dailin521/codex-provider-sync

Synchronize Codex session provider metadata across rollout files and SQLite state.

42🍴 1
27
builtbybel/Winslop

De-slop Windows.

54🍴 0
28
Fannar-afk/shadowguard

ShadowGuard 是一款面向现代软件开发流程的供应链安全防火墙。 它通过对项目依赖进行静态分析、恶意行为检测、SBOM 生成与风险评估,并在 CI/CD 阶段提供安全阻断能力,从而帮助开发团队在构建阶段提前识别并处理供应链风险。 系统由以下核心组件构成: • 恶意依赖检测引擎 • SBOM 生成与风险分析模块 • CI/CD 安全闸门 • 可视化 Web 控制台 • 插件系统(支持扩展检测能力)

40🍴 2
29
LumiBearStudio/SpanFinder

macOS Finder-style Miller Columns file explorer for Windows — multi-tab, split view, 10 themes, keyboard-first, FTP/SFTP

35🍴 3
30
LightSideKittens/UniText

Text engine for Unity that correctly renders every writing system — Arabic, Hebrew, Hindi, Thai, CJK, emoji, and 150+ others. Built on HarfBuzz, the same shaping engine used by Chrome, Firefox, Adobe InDesign, and Android

36🍴 2
31
Gennadiyev/STS2MCP

Full agentic runs for Slay the Spire 2. A mod that exposes in-game state, and the MCP server for the mod.

40🍴 8
32
BigheadSMZ/Zelda-LA-DX-HD-Updated

Windows, Android, and Linux ports of TLoZ: LADXHD updated via a patcher.

36🍴 2
33
yaobiao131/downkyicore

哔哩下载姬(跨平台版)downkyi,哔哩哔哩网站视频下载工具,支持批量下载,支持8K、HDR、杜比视界,提供工具箱(音视频提取、去水印等)。

66🍴 7
34
Ekyso/StS2-Launcher

An unofficial Android launcher for Slay the Spire 2. Alpha builds can be found on the Cinderbox Discord server.

36🍴 2
35
mxyhi/ok-skills

Curated AI coding agent skills and AGENTS.md playbooks for Codex, Claude Code, Cursor, OpenClaw, and other SKILL.md-compatible tools.

46🍴 2
36
Alchyr/BaseLib-StS2

Mod for Slay the Spire 2 to standardize content additions

32🍴 11
37
mini-software/MiniPdf

[Beta] A minimal .NET library convert Word and Excel to PDF.

30🍴 2
38
Tyrrrz/YoutubeDownloader

Downloads videos and playlists from YouTube

75🍴 13
39
BeyondDimension/SteamTools

🛠「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。

91🍴 2
40
StockSharp/StockSharp

Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins, and options).

68🍴 16
41
ShareX/ShareX

ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It also supports uploading images, text, and various file types to a wide range of destinations.

80🍴 7
42
clawdotnet/openclaw.net

Self-hosted OpenClaw gateway + agent runtime in .NET (NativeAOT-friendly)

26🍴 6
43
LenovoLegionToolkit-Team/LenovoLegionToolkit

Lenovo Legion Toolkit (LLT) is a Windows desktop utility created for Lenovo gaming laptops that replaces Lenovo Vantage / Legion Zone / Legion Space.

34🍴 0
44
openclaw/openclaw-windows-node

Windows companion suite for OpenClaw - System Tray app, Shared library, Node, and PowerToys Command Palette extension

27🍴 9
45
babalae/better-genshin-impact

📦BetterGI · 更好的原神 - 自动拾取 | 自动剧情 | 全自动钓鱼(AI) | 全自动七圣召唤 | 自动伐木 | 自动刷本 | 自动采集/挖矿/锄地 | 一条龙 | 全连音游 - UI Automation Testing Tools For Genshin Impact

67🍴 3
46
umlx5h/LLPlayer

The media player for language learning, with dual subtitles, AI-generated subtitles, real-time translation, and more!

54🍴 1
22🍴 5
48
AIDotNet/OpenDeepWiki

OpenDeepWiki is the open-source version of the DeepWiki project, aiming to provide a powerful knowledge management and collaboration platform. The project is mainly developed using C# and TypeScript, supporting modular design, and is easy to expand and customize.

32🍴 2
49
querylenshq/ef-querylens

See the SQL EF Core will generate in real-time while you write LINQ.

26🍴 1
50
DearVa/Everywhere

Context-aware AI assistant for your desktop. Ready to respond intelligently, seamlessly integrating multiple LLMs and MCP tools.

23🍴 4