Credits

Cosmos Gen3 stands on the shoulders of other open-source projects. This page lists the third-party components that ship as part of Cosmos, with their licenses.

Vendored source code

Code copied into this repository (with local adaptations noted in a README.md next to the sources):

Project	License	Used for	Location
BigGustave	Unlicense	PNG decoding (Cosmos.Kernel.System.Graphics.Png)	src/Cosmos.Kernel.System/ThirdParty/BigGustave/
SharpZipLib	MIT	Managed DEFLATE/zlib decompression for the PNG decoder	src/Cosmos.Kernel.System/ThirdParty/SharpZipLib/
LunarFonts	MIT	TrueType loading and rasterization (TrueTypeFont)	src/Cosmos.Kernel.System/ThirdParty/LunarFonts/
Spleen	BSD-2-Clause	The default 16x32 console and canvas font	src/Cosmos.Kernel.System/Graphics/Fonts/
Cosm3D	MIT	The SVGA3D command layer and canvas of the VMware SVGA II display driver (Cosmos.Kernel.Drivers.Pci.Display.VmwareSvga.VmwareSvga3D, VmwareSvgaCanvas3D)	src/Cosmos.Kernel.Drivers/Pci/Display/VmwareSvga/: VmwareSvga3D.cs, VmwareSvgaCanvas3D.cs and the Enums/ and Structs/ vocabulary

The PNG integration follows CosmosPNG (Unlicense), which first brought BigGustave to Cosmos Gen2, and the TrueType integration follows CosmosTTF (MIT), which first brought LunarFonts there.

The VMware SVGA II integration originates from a gen3 port of Cosm3D (an implementation of the 3D SVGA II spec by VMware), with the port itself based on the gen2 SVGA II driver; it lives in Cosmos.Kernel.Drivers as VmwareSvgaDriver over the driver kit.

Shipped binaries and dependencies

Project	License	Used for
Limine	BSD-2-Clause	The bootloader included in every kernel ISO
.NET Runtime	MIT	The base class libraries and NativeAOT compiler (ILC) the kernel is built on
Mono.Cecil	MIT	IL reading and rewriting in cosmos-patcher

Build and test tools

Not distributed with Cosmos, but required to build or test it: YASM, GNU binutils/GCC, xorriso and QEMU.