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C#

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

50
Trending Repos
2,838
Total Stars
258
Total Forks

🔥 Trending C# Repos — Past Month

Rank
Repository
Stars
Forks
1
1
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.

328
28
⭐ 328🍴 28
2
2
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.

243
15
⭐ 243🍴 15
3
3
SteveTheKiller/KillerPDF

PDF editor for Windows. Install or run portable. GPLv3. No account, no subscription, no telemetry.

195
8
⭐ 195🍴 8
4
4
StartupHakk/OpenMonoAgent.ai

(BETA) AI shouldn't have a meter. Unlimited tokens. Forever. Your machine. Your agent. Use it from anywhere. Terminal-native coding agent powered by local LLMs — 100% open source, free forever, and installed with a single command. Proudly built on C#/.NET, because AI tooling should be infrastructure, not a subscription.

127
18
⭐ 127🍴 18
5
5
MiniMax-AI/skills
132
12
⭐ 132🍴 12
6
6
Dailin521/codex-provider-sync

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

109
5
⭐ 109🍴 5
7
7
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.

125
18
⭐ 125🍴 18
8
8
memstechtips/Winhance

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

136
8
⭐ 136🍴 8
9
9
Nightmare-Eclipse/MiniPlasma

CVE-2020-17103 was apparently not patched or the patch was reversed, regardless this the PoC for an LPE in cldflt.sys

60
13
⭐ 60🍴 13
10
10
Devolutions/UniGetUI

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

137
4
⭐ 137🍴 4
11
11
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

87
13
⭐ 87🍴 13
12
12
Greedeks/GTweak

Portable Tool for an Ideal Windows Setup

86
2
⭐ 86🍴 2
13
13
L1v1ng0ffTh3L4N/EdgeSavedPasswordsDumper

Proof of concept to show that Edge stores credentials in cleartext

49
15
⭐ 49🍴 15
14
14
dotnet/skills

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

46
2
⭐ 46🍴 2
15
15
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.

46
1
⭐ 46🍴 1
16
16
Justsenger/ExHyperV

The Excalibur of Hyper-V / Hyper-V 神器

84
4
⭐ 84🍴 4
17
17
Agustinm28/Optiscaler-Client

A modern manager for OptiScaler

35
1
⭐ 35🍴 1
18
18
NamKhoa-07/Voidstrap

Voidstrap is a simple yet advanced fork of Bloxstrap, advanced customization and improvements.

34
4
⭐ 34🍴 4
19
19
Besty0728/Unity-Skills

AI automation skills specifically designed for Unity

33
3
⭐ 33🍴 3
20
20
builtbybel/Winslopr

Windows Slop Remover

27
1
⭐ 27🍴 1
21
21
MikuLeaks/MikuSB
28
6
⭐ 28🍴 6
22
22
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.

58
6
⭐ 58🍴 6
23
23
daniel3303/Equibles

An open-source, self-hosted mini Bloomberg Terminal for AI agents — SEC filings, institutional holdings, insider trading, congressional trades, and short data from a single self-hosted stack.

17
3
⭐ 17🍴 3
24
24
shanselman/PeekDesktop

Click your desktop to peek at it - just like macOS Sonoma.

30
4
⭐ 30🍴 4
25
25
Lucas7yoshi/TomodachiDrawer

A toolset for generating inputs for controlling a Switch to draw whatever in Tomodachi Life, with support for outputting to an RP2040.

19
4
⭐ 19🍴 4
26
26
Seafoam-Labs/Shelly-ALPM

Pacman alternative for ArchLinux, designed with you in mind.

28
1
⭐ 28🍴 1
27
27
Klocman/Bulk-Crap-Uninstaller

Remove large amounts of unwanted applications quickly.

82
5
⭐ 82🍴 5
28
28
files-community/Files

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

67
13
⭐ 67🍴 13
29
29
SirDiabo/N64RecompLauncher

A Launcher that Downloads and Updates N64 Recompilations

27
0
⭐ 27🍴 0
30
30
zy-zmc/tianming-novel-ai-writer

天命 — AI网文创作系统 | 12维事实快照 · 9类变更声明 · 6道生成门禁 | 写到3000章依然连贯,不靠模型记忆,靠每章状态回写

15
5
⭐ 15🍴 5
31
31
ed0ard/CS2-Bot-Improver

CS2-Bot-Improver is a plugin for Counter-Strike 2 that improves bots' aim, movement, personalities, strategies, etc. Aims to enhance your experience when playing against bots offline or with friends. It can be installed on both clients and servers.

21
1
⭐ 21🍴 1
32
32
MattParkerDev/SharpIDE

A modern, cross platform IDE for .NET, built with .NET & Godot

22
2
⭐ 22🍴 2
33
33
PhoenixNil/XrayUI-dev

light high-performance GUI for proxy

20
2
⭐ 20🍴 2
34
34
openclaw/openclaw-windows-node

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

17
1
⭐ 17🍴 1
35
35
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)

12
3
⭐ 12🍴 3
36
36
luoluoluo22/yanzi

Yanzi launcher with cloud-synced JSON extensions and Cloudflare backend

13
1
⭐ 13🍴 1
37
37
WangNianyi2001/Fluid-Weiqi

A Weiqi (Go) variant where the stones are fluid.

19
3
⭐ 19🍴 3
38
38
ChristianJR19/formcms

AI Agent: Open-source headless CMS built with ASP.NET Core (C#) and React, featuring REST APIs, GraphQL, and a GrapesJS page designer.

13
1
⭐ 13🍴 1
39
39
mcneel/RhinoMCP

A Rhino MCP Server for AI Agents to create and edit Rhino.

13
1
⭐ 13🍴 1
40
40
Glade-tool/glade-mcp-unity

Connect any MCP-compatible AI client (Claude Code, Cursor, Windsurf) to your Unity Editor. 235+ granular tools, a Unity-aware system prompt, game design document project context, script semantic search, and skill calibration.

12
5
⭐ 12🍴 5
41
41
QuantConnect/Lean

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

68
10
⭐ 68🍴 10
42
42
data-goblin/power-bi-agentic-development

Skills, subagents, hooks, and other stuff for agents to work well with Power BI. WIP; weekly updates.

12
2
⭐ 12🍴 2
43
43
DoomVoss/BASpark

A Windows mouse effect tool reconstructing Blue Archive UI style using HTML5/Canvas || 基于 HTML5/Canvas 深度复刻《蔚蓝档案》UI 风格动效的 Windows 鼠标特效工具

17
1
⭐ 17🍴 1
44
44
8bit2qubit/XboxFullScreenExperienceTool

A one-click GUI tool to safely enable the hidden Xbox full screen gaming experience on Windows 11.

14
0
⭐ 14🍴 0
45
45
nzbdav-dev/nzbdav

Usenet streaming with a WebDAV server and a SABnzbd-compatible API

11
1
⭐ 11🍴 1
46
46
kkokosa/dotLLM

LLM inference engine written in .NET

15
0
⭐ 15🍴 0
47
47
Ozark-Connect/NetworkOptimizer

Self-hosted performance optimization and security audit tool for UniFi Networks. Includes Wi-Fi Optimizer for wireless health scoring and channel optimization, advanced DNS/VLAN/firewall security checks, config optimization suggestions, centralized WAN and LAN speed test server w/ Layer 2 tracing, U5G-Max modem stats, and more.​​​​​​​​​​​​​​​​

12
0
⭐ 12🍴 0
48
48
IoTSharp/SonnetDB

SonnetDB is a time-series database project built with C# and .NET 10.

14
2
⭐ 14🍴 2
49
49
Alchyr/BaseLib-StS2

Mod for Slay the Spire 2 to standardize content additions

11
0
⭐ 11🍴 0
50
50
clawdotnet/openclaw.net

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

12
0
⭐ 12🍴 0

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