GitHub stars · StarDay

1ShareX / ShareXA screen-capture and recording utility with sharing workflows.C#GPL-3.0 · Share derivative source40,705

2AvaloniaUI / AvaloniaDevelop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UIC#MIT · Permissive31,768

3BeyondDimension / SteamTools🛠"Watt Toolkit" is an open source cross-platform multi-functional Steam toolbox.C#GPL-3.0 · Share derivative source27,420

4KnifeLemon / FileeFree, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.C#MIT · Permissive23,092

5d2phap / 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.C#License not declared14,862

6YSGStudyHards / DotNetGuide🌈【C#/.NET/.NET Core Study, Work, Interview Guide】Record, collect and summarize C#/.NET/.NET Core basic knowledge, learning routes, development practices, programming skills exercises, learning videos, articles, books, project frameworks, community organizations, development essential tools, technology frontier weekly, common interview questions, interview instructions, resume templates, talent recruitment, and some of my own meager insights in study and work. I hope to learn and make progress together with everyone. If this knowledge base can help you, don’t forget to give your support (follow, like, share)💖.C#MIT · Permissive11,144

7LykosAI / StabilityMatrixMulti-Platform Package Manager for Stable DiffusionC#AGPL-3.0 · Share derivative source8,992

8yaobiao131 / downkyicoreBili Download Ji (cross-platform version) downkyi, Bilibili website video download tool, supports batch downloads, supports 8K, HDR, Dolby Vision, and provides toolboxes (audio and video extraction, watermark removal, etc.).License not declared7,497

9Sylinko / EverywhereOn-screen aware AI assistant for your desktop. Uses current app context, multiple LLMs, and MCP tools to help you act across apps.C#License not declared6,349

10Ruben2776 / PicViewFast, free and customizable picture viewerC#License not declared3,745

11Dailin521 / codex-provider-syncSynchronize Codex session provider metadata across rollout files and SQLite state.JavaScriptMIT · Permissive3,636

12AvaloniaCommunity / awesome-avaloniaA collection of interesting libraries and tools for Avalonia project.License not declaredInactive3,250

13Pixeval / PixevalWow. Yet another Pixiv client!C#GPL-3.0 · Share derivative source3,193