Open Source C# Projects

Discover 25 open source Csharp repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Csharp projects here are most often combined with Developer Tools, Cross Platform and Desktop App. Last updated October 3, 2026.

25 repositories · updated October 3, 2026

Vividl: Download and Convert Online Videos on Windows

Vividl: Download and Convert Online Videos on Windows

Vividl is a Windows desktop app that uses yt-dlp or youtube-dl to download videos from supported websites. Choose formats, convert video or extract audio, and manage multiple downloads in a graphical interface.

CsharpWindowsDesktop App
Added Oct 11, 2025 View details
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Developer Tools 447Cross Platform 135Desktop App 161Library 309Windows 36Productivity 118Self Hosted 362Utility 75AI Agents 406API 179Automation 193CLI 286
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