KnifeLemon / Filee
Free, open-source file converter. Convert 255 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.
KnifeLemon / Filee
Tianyu199509 / DeskBox
A free, open-source Windows desktop organizer with native-feeling WinUI 3 widgets.
jellyfin / jellyfin
The Free Software Media System - Server Backend & API
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.
Zaneris / passenger
An open-source IDE for C# and .NET, built with Avalonia, for Windows, macOS and Linux: a Roslyn-powered editor, its own debugger with Hot Reload, a CPU and memory profiler, XAML tooling for Avalonia and WPF, and an MCP server for coding agents.
itsfatduck / optimizerDuck
Free, open-source Windows optimization tool for performance, privacy, and simplicity.
SubtitleEdit / subtitleedit
the subtitle editor :)
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
sourcegit-scm / sourcegit
Windows/macOS/Linux GUI client for GIT users
motalim-ai / adawat
Convert, compress and edit any file while you drag it. A free macOS menu bar app in Arabic and English. | حوّل واضغط وعدّل أي ملف وأنت تسحبه.
LibreHardwareMonitor / LibreHardwareMonitor
Libre Hardware Monitor is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.
OpenRA / OpenRA
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
lively-community / lively
Free and open-source software that allows users to set animated desktop wallpapers and screensavers powered by WinUI 3.
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.
VlcekM / MeitouClient
Open-source reimplementation of the Kenshi engine in C# / .NET 10 using a custom Vulkan renderer. Needs your own copy of Kenshi.
Macro-Deck-App / Macro-Deck
The open-source macro pad with customizable widgets, powerful integrations and a secure plugin ecosystem.
BYTEX-TRADE / bytex
Event-driven algorithmic trading engine for .NET. Write a strategy once and run it unchanged in backtest, paper and live trading, deterministic, with fixed-point money and adapters for Binance, Bybit, OKX, Kraken, Bitget, Gate, KuCoin and Hyperliquid.
WDHUS4G / Filee
Free, open-source file converter (mirror of KnifeLemon/Filee, MIT). Convert 180+ formats offline
d2phap / ImageGlass
🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built for smooth browsing across Windows, macOS, and Linux.
everlosttime / glassdesk-open-source
GlassDesk 1.4.0 Windows 11 Dock and launcher source, without information bar. Noncommercial original changes; historical Apache and third-party rights retained.
gryphonrollershift / table-pull
Published: 2026-10-19
stride3d / stride
Stride (formerly Xenko), a free and open-source cross-platform C# game engine.
aethai / ro3emu-server
Open-source Ragnarok Online 3 (RO3) PC server emulator in C# / .NET 10. Client-documented protocol, multiplayer systems, tools and research.
yarnoriolegaze / semantic-files
Published: 2026-10-19
PhaseChameleon / prompt-shelf
Published: 2026-10-18
EnamelTempoSlip / llm-arena
Published: 2026-10-18
banadmiralpurge / lora-merge
Published: 2026-10-18
ApexSummonerTake / face-blur
Published: 2026-10-18
LowerStatesman / rewrite-pad
Published: 2026-10-18
Marinakihaul / llm-dock
Published: 2026-10-18
crewsectortrack / photo-denoise
Published: 2026-10-18
Crystalmislip / card-craft
Published: 2026-10-18
GateTinsmith / noise-gone
Published: 2026-10-18
TankAreaBang / photo-revive
Published: 2026-10-18
MonoGame / MonoGame
One framework for creating powerful cross-platform games.
btcpayserver / btcpayserver
Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.
youke1686 / FlyDisk
Windows 上的开源硬盘加速器 · Open-source hard drive accelerator for Windows
BornToBeRoot / NETworkManager
A powerful open-source tool for managing networks and troubleshooting network problems!
Unity-Technologies / ml-agents
The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.
SnapXL / SnapX
SnapX is a free, open-source, cross-platform tool that lets you capture or record any area of your screen and instantly share it with a single keypress. Upload images, videos, text, and more to multiple supported destinations—all with ease. ShareX fork
maximilian467 / Developer-Island
A Dynamic Island for Windows: Claude Code & Codex usage, now playing, focus timer, calendar and system health in one native capsule. Local-first.
MikuLeaks / MikuSB
Open-source C#/.NET research server emulator for local protocol and networking experimentation.
dulaiduwang003 / Pavise-Game
Open-source Windows game resource manager. Suppresses background processes, gives games exclusive CPU cores, steers device interrupts off game cores, applies per-game GPU driver, memory and power policies, and restores every change after play. No injection, no telemetry. GPL-3.0.
abpframework / abp
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
nopSolutions / nopCommerce
ASP.NET Core eCommerce software. nopCommerce is a free and open-source shopping cart.
KloBraticc / Voidstrap
Voidstrap is a simple yet advanced fork of Bloxstrap, advanced customization and improvements.
Aimee51819 / FileFlipper
FileFlipper — Quick Edit for Mac & Windows. One-click Markdown: turn Word, PDF, PowerPoint and Excel into clean Markdown that AI reads with fewer tokens. Plus Shift-drag conversion in Finder and File Explorer: JPG, PNG, PDF, HEIC, MP4, crop, OCR. 100% on-device, free and open source. Mac 和 Windows 都能用，一键转 Markdown。
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.
SnapHutaoRemasteringProject / Snap.Hutao.Remastered
实用的开源多功能原神工具箱 🧰 / Multifunctional Open-source Genshin Impact Toolkit 🧰
reqnroll / Reqnroll
Open-source Cucumber-style BDD test automation framework for .NET.
C7-Game / OpenCiv3
OpenCiv3 is an open-source, cross-platform, mod-oriented, modernized remake of Civilization III by the fan community built with the Godot Engine and C#, with capabilities inspired by the best of the 4X genre and lessons learned from modding Civ3.
Maxaccurate / ZestDrop
Drag. Drop. Convert. Open-source desktop file tools for Windows.
dotnet / roslyn
The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.
unoplatform / uno
Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.
OrchardCMS / OrchardCore
Orchard Core is an open-source modular and multi-tenant application framework built with ASP.NET Core, and a content management system (CMS) built on top of that framework.
ErsatzTV / legacy
Open-source platform that transforms your personal media library into live, custom TV channels.
WalletWasabi / WalletWasabi
Open-source, non-custodial, privacy preserving Bitcoin wallet for Windows, Linux, and Mac.
ArduPilot / MissionPlanner
Mission Planner Ground Control Station for ArduPilot (c# .net)
MyraUI / Myra
UI Library for MonoGame, FNA and Stride
focus-creative-games / obfuz
Obfuz：功能强大的开源 Unity 代码混淆插件。深度集成 Unity 工作流，配置简单，支持 HybridCLR、xLua 等热更新方案。A powerful open-source code obfuscation plugin for Unity. Deeply integrated with the Unity workflow, easy to configure, and supports hotfix solutions like HybridCLR and xLua.