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.
tigin-backwards / oni-moono
Oxygen Not Included's Unity layer on the BRUTAL framework, .NET 10 CoreCLR. On a late-game colony the game runs at up to 13× the original's frame rate
Kareadita / Kavita
Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.
SteveTheKiller / KillerPDF
Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.
snownico0722 / PaperTodo
A minimalist Windows desktop sticky note tool. It puts a few quiet, usable, and unobtrusive sheets of paper on your desktop. Native WPF, with support for to-dos and Markdown.——极简 Windows 桌面便签工具。让桌面上有几张安静、可用、不会打扰人的纸。WPF 原生，支持待办与 Markdown。
nota-daw / nota
Nota — a free DAW for macOS, Windows and Linux. No subscription, no account — just open it and make music.
Lahai-Roi / MDNote
Lightweight Markdown & TXT editor for Windows. Write in a formatted view without Markdown syntax; opens documents with millions of characters. English · 한국어 · 日本語 · 简体中文 · 繁體中文
Belphemur / SoundSwitch
C# application to switch default playing device. Download: https://soundswitch.aaflalo.me/
tarasenko-by / wintor
A modern, open-source BitTorrent client for Windows 11, built with WinUI 3.
0x7c13 / Notepads
A modern, lightweight text editor with a minimalist design.
EvotecIT / OfficeIMO
MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.
jiuwanzi-hui / Screenshot
SnapCut（简截）——轻巧但不将就的 Windows 和 macOS 截图工作台：框选截图、长截图、区域录屏、钉图取色、标注、OCR 与翻译一体化。支持保留右键菜单和悬浮提示，数据永久留在本机。
BillyNabil / nabyscape
A customizable Windows desktop island for music, focus, live lyrics and your own AI companion.
TheJoeFin / Text-Grab
Use OCR in Windows quickly and easily with Text Grab. With optional background process and notifications.
greenshot / greenshot
Greenshot for Windows - for more information look here:
BlackLabelHQ / RecompOne
PSX Static Recompiler and Runtime, Not Affiliated With Sony or PlayStation
GEORGEWWWU / NotchPeninsula
全新原生 Win 刘海/灵动岛组件，支持媒体控制和消息弹窗等，极低内存占用与极致性能
juinwei7 / Shiyin
Free, open-source meeting notes app for Mac: records Zoom, Meet and Teams without a bot, transcribes on-device (whisper.cpp + Breeze ASR 25), identifies speakers, and writes timestamped notes with your own Claude or ChatGPT. 拾音
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.
qq362946 / Fantasy
C # Game Framework, but not limited to games. Can be used for non game business development
l1i1 / ClaudeDesktop-Installer
绕过网络限制，一键安装 Claude Desktop 并修复 Host Claude Code binary not available 问题。
Supermedo / wet-recomp
Fan PC port of WET (Xbox 360) using ReXGlue. Does not include game files.
stevencohn / OneMore
A OneNote add-in with simple, yet powerful and useful features
Pixeval / Pixeval
Wow. Yet another Pixiv client!
Adrianotiger / desktopPet
Remembering the lovely eSheep (stray sheep) from 1995 -
YARC-Official / YARG
YARG (a.k.a. Yet Another Rhythm Game) is a free, open-source, plastic guitar game that is still in development. It supports guitar (five fret), drums (plastic or e-kit), vocals, pro-keys, and more!
TE1233 / snapline-windows
Native Windows screenshot clothesline with sticky notes. Inspired by Tendedero.
Heromachine / Tenchu-SA-Recomp
Static recompilation of Tenchu: Stealth Assassins (PS1) to C#. Ships the tool, not the game -- bring your own disc.
Facepunch / Facepunch.Steamworks
Another fucking c# Steamworks implementation
shinyorg / shiny
.NET Framework for Backgrounding & Device Hardware Services (iOS, MacOS, tvOS, Android, Windows, Linxux, & Web)
streetwriters / notesnook-sync-server
Sync server for Notesnook (self-hosting in alpha)
ruccho / YAUI
Yet Another Unity UI: a fast, Flexbox-based UI system on GameObjects.
zw87652015 / CCCC
Notify when you ctrl+c
notifo-io / notifo
Multi channel notification service for collaboration tools, e-commerce, news service and more.
drJhonatan00 / Cooler_Speed_Change_and_Management
A C#/.NET application for real-time temperature monitoring and dynamic fan speed control (PWM) that consumes minimal CPU resources and does not freeze the device.
aspnet / AspLabs
Repo for ASP.NET experiments that are not ready for a production release
svenhb / GRBL-Plotter
A GCode sender (not only for lasers or plotters) for up to two GRBL controller. SVG, DXF, HPGL import. 6 axis DRO.
Lachee / discord-rpc-csharp
C# custom implementation for Discord Rich Presence. Not deprecated and still available!
Cysharp / YetAnotherHttpHandler
YetAnotherHttpHandler brings the power of HTTP/2 (and gRPC) to Unity and .NET Standard.
Kinovea / Kinovea
Video solution for sport analysis. Capture, inspect, compare, annotate and measure technical performances.
peterhaneve / ONIMods
Peter Han's mods for Oxygen Not Included
shadowofze / OfflineDAoC
On hold: no more updates. AI-made, non-commercial fan project: single-player Dark Age of Camelot (1.65 Classic + Shrouded Isles era, 2002-2003) with bots, on the open-source OpenDAoC server. Dark Age of Camelot is the IP of EA / Broadsword; not affiliated with them. Not for sale, no donations.
ZiYuCai1984 / ZYC.TilePyramid.Agent
A WPF workspace for large images and whole-slide images, with layered annotations, MCP agent integration, and human-in-the-loop review.
Ombi-app / Ombi
Want a Movie or TV Show on Plex/Emby/Jellyfin? Use Ombi!
paolosalvatori / ServiceBusExplorer
The Service Bus Explorer allows users to connect to a Service Bus namespace and administer messaging entities in an easy manner. The tool provides advanced features like import/export functionality or the ability to test topic, queues, subscriptions, relay services, notification hubs and events hubs.
SimonCropp / Delta
An approach to implementing a 304 Not Modified leveraging DB change tracking
aspnet / AspNetWebStack
ASP.NET MVC 5.x, Web API 2.x, and Web Pages 3.x (not ASP.NET Core)
nkdAgility / azure-devops-migration-tools
Azure DevOps Migration Tools allow you to migrate Teams, Backlogs, Work Items, Tasks, Test Cases, and Plans & Suits from one Project to another in Azure DevOps / TFS both within the same Organisation, and between Organisations.
mlavik1 / UnityVolumeRendering
Volume rendering, implemented in Unity3D. Want to support the project? Donate a small sum to Save The Children(https://www.savethechildren.net/) or another charity, and send me a message, and I will be greatly motivated!
Goob-Station / Goob-Station
We're not even close to "Wizden, but random" at this point. Super chud SS14 fork. By chuds, for chuds.
RavelloH / WinToastRelay
A native Windows 10/11 app that relays Windows toast notifications to Bark, WxPusher, Feishu, Telegram, Discord, or a custom webhook.
edandersen / teams-meeting-scribe
Transcribe Teams meetings automatically and write the notes to your Obsidian vault (or other folder)
NotLooky / BannerlordVR
Native stereo PCVR for Mount & Blade II: Bannerlord with full motion controls combat. Two real eye views rendered by the engine into an OpenXR swapchain.
Fody / PropertyChanged
Injects INotifyPropertyChanged code into properties at compile time
microsoft / XmlNotepad
XML Notepad provides a simple intuitive User Interface for browsing and editing XML documents.
MvvmCross / MvvmCross
The .NET MVVM framework for cross-platform solutions, including Android, iOS, MacCatalyst, macOS, tvOS, WPF, WinUI
HavenDV / H.NotifyIcon
TrayIcon for WPF/WinUI/Uno/MAUI
NiclasOlofsson / MiNET
A (not so) basic Minecraft Pocket Edition server written in C#
notinferred / keypaste
A KeePass-compatible password and secrets manager for people who work with AI agents.
Geckomacabre / GTA-VI-Inspired-HUD
A GTA VI-inspired HUD and 3D minimap for GTA V single player (Legacy + Enhanced), with features ported from the FiveM version. Fan-made; not affiliated with Rockstar Games.