Cosmos vs Harbol

Cosmos

Cosmos is an operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more! (by CosmosOS)

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gocosmos.org

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Harbol is a collection of data structures and miscellaneous libraries, similar in nature to C++'s Boost, STL, and GNOME's GLib; it is meant to be a smaller and more lightweight collection of data structures, code systems, and convenience software. (by Nirari-Technologies)

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Cosmos		Harbol
	Project
14	Mentions	1
2,837	Stars	0
0.5%	Growth	-
9.6	Activity	4.0
about 20 hours ago	Latest Commit	over 2 years ago
C#	Language	C
BSD 3-clause "New" or "Revised" License	License	Apache License 2.0

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Cosmos

Posts with mentions or reviews of Cosmos. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-09-23.

Mark Russinovich: “Working towards enabling Windows driver development in Rust”
7 projects | news.ycombinator.com | 23 Sep 2023

I didn't realise that. Then again, I only experimented with AOT executables quite briefly. Perhaps Cosmos[1] stuck in my head more than what I read about AOT dotnet applications.
[1]: https://github.com/CosmosOS/Cosmos
Sweet C#
1 project | /r/ProgrammerHumor | 25 Apr 2023

there are entire toolkits for that! https://github.com/cosmosos/cosmos
Making an OS with C#?
5 projects | /r/csharp | 12 Sep 2022
XenOS, an OS made in C#!
1 project | /r/osdev | 1 Aug 2022
Does Microsoft ever try to written the whole windows OS codebase in entirely in C# in future?
1 project | /r/dotnet | 10 Jun 2022

This is about the same time that Cosmos came about - they’ve got they own ASM-like flavour of C# called X# and IL2CPU
Slow Frame Rate under Cosmos
1 project | /r/csharp | 26 Jan 2022
Writing a kernel in C# on Linux
8 projects | /r/csharp | 27 Dec 2021
Alternatives to COSMOS?
2 projects | /r/osdev | 10 Dec 2021
Is C# a good programming language for kernel development?
4 projects | /r/osdev | 19 Nov 2021

I recommend you to take a look at the Cosmos project. It's an operating system construction kit integrated to Visual Studio using it's own compiler translating IL code (C#, VB.NET, F#...) to x86 assembly.
Found this on a command-line only OS.
1 project | /r/badcode | 4 Oct 2021

From these lines of code one would assume so, but apparently Cosmos seems to be quiet more serious than just a simple shell.

Harbol

Posts with mentions or reviews of Harbol. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-06-09.

Go is a nice improvement over C and C++, and it doesn't make me feel dirty like Java does.
6 projects | /r/golang | 9 Jun 2021

Seen that before. I don't like that type of ordered map. this is my ordered map and it's more cache friendly.

What are some alternatives?

When comparing Cosmos and Harbol you can also consider the following projects:

Aura-Operating-System - AuraOS, the Franco-English Operating System developed in C# using Cosmos!

biscuit - Biscuit research OS

KernelSharp - C# Kernel Mode Driver example using NativeAOT

gopher-os - A proof of concept OS kernel written in Go

orderedmap - 🔃 An ordered map in Go with amortized O(1) for Set, Get, Delete and Len.

Singularity-OS - Microsoft Research Singularity RDK 2.0 Source

go - The Go programming language

EfiSharp - An Attempt at building at least some of C# corelib for EFI applications. Inspired by https://github.com/MichalStrehovsky/zerosharp to see if this possible.

zerosharp - Demo of the potential of C# for systems programming with the .NET native ahead-of-time compilation technology.

MOSA-Project - Managed Operating System Alliance Project