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Top 23 C# Graphic Projects
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Project mention: MonoGame: A .NET framework for making cross-platform games | news.ycombinator.com | 2026-03-07
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ReSharper
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Project mention: Quest for Permissively Licensed PDF Library in C# | news.ycombinator.com | 2025-11-04
It seems the PDFSharp rabbit hole goes even deeper than I've realized!
Latest MigraDoc & PDFSharp seem to have been updated and ported to .NET 6 after a lot of the forks happened, so it was unclear to me whether there's merits in looking at other, mostly abandoned forks.
I might add PdfSharpCore, though the use of SixLabors.ImageSharp and SixLabors.Fonts leads to a disqualification from the "quest", given their custom split license [1]
[1] https://github.com/SixLabors/ImageSharp/blob/main/LICENSE
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https://pixieditor.net/
Free and open source and, as far as I can tell, does everything this is claiming to do and more. It's part of our workflow for the game my son and I are making.
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SkiaSharp
SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
Lxman.PdfLibrary.Rendering.SkiaSharp (rasterizer) — uses SkiaSharp as the 2D canvas to turn the parsed page into pixels. SkiaSharp carries a native component.
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Silk.NET
The high-speed OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, WebGPU, and DirectX bindings library your mother warned you about.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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OpenTK
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL, OpenAL & OpenCL. It also includes windowing, mouse, keyboard and joystick input and a robust and fast math library, giving you everything you need to write your own renderer or game engine. OpenTK can be used standalone or inside a GUI on Windows, Linux, Mac.
Project mention: Learn OpenGL, extensive tutorial resource for learning Modern OpenGL | news.ycombinator.com | 2026-07-23I can recommend OpenTK [0]. I've used it recently to create a 3D renderer, and I have not run into any issues.
[0] https://opentk.net/
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Project mention: Ask HN: New clean macOS install. Must-have apps? Best browser? | news.ycombinator.com | 2026-06-23
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TexturePanner
This repository hosts a shader for Unity3D whose main goal is to facilitate the creation of neon-like signs, conveyor belts and basically whatever based on scrolling textures
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NGraphics
NGraphics is a cross platform library for rendering vector graphics on .NET. It provides a unified API for both immediate and retained mode graphics using high quality native renderers.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C# Graphics discussion
C# Graphics related posts
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Render a PDF to an image in .NET — with a pure-C# PDF engine
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Fast, portable, low-level C# bindings for OpenGL, OpenGL ES, OpenAL, and OpenCL
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Voxel Raycaster (Voxlap-style) with baked cubic PBS/PBR lighting C#
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Graph mess: what does ScottPlot have in store?
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A brief recap of what I did this Month
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Contributing to Other Open Source Projects - Week 2
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Microsoft answered Congress' questions on security. The White House needs to act
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A note from our sponsor - ReSharper
www.jetbrains.com | 14 Aug 2026
Index
What are some of the best open-source Graphic projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | MonoGame | 14,282 |
| 2 | ImageSharp | 8,025 |
| 3 | PixiEditor | 7,943 |
| 4 | ScottPlot | 6,697 |
| 5 | SkiaSharp | 5,549 |
| 6 | LiveCharts2 | 5,332 |
| 7 | Silk.NET | 5,159 |
| 8 | XCharts | 3,779 |
| 9 | Oxyplot | 3,535 |
| 10 | OpenTK | 3,530 |
| 11 | Veldrid | 2,696 |
| 12 | Kino | 2,373 |
| 13 | Helix Toolkit | 2,262 |
| 14 | ImGui.NET | 2,249 |
| 15 | Microcharts | 2,073 |
| 16 | LibVLCSharp | 1,802 |
| 17 | Pcx | 1,503 |
| 18 | glTFast | 1,477 |
| 19 | HologramShader | 987 |
| 20 | URP-PSX | 884 |
| 21 | Unity-SRP-VXGI | 823 |
| 22 | TexturePanner | 744 |
| 23 | NGraphics | 729 |
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ReSharper is now available in VS Code and Cursor
ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.
www.jetbrains.com