Some stuff that I found.
##Awesome DotNet Core https://github.com/awesomedotnetcore
https://github.com/OctopusDeploy/Octodiff
https://github.com/mimetis/dotmim.sync
https://github.com/insthync/awesome-unity3d
https://github.com/MidLevel/MLAPI.Cryptography
https://adamramberg.github.io/marvelous/
https://adamramberg.github.io/unity-atoms/
https://github.com/DanielEverland/ScriptableObject-Architecture
Merge an existing VS solution with a Unity-generated solution on the fly. Useful for Unity projects that incorporate non-Unity projects. https://github.com/Cysharp/SlnMerge
https://github.com/Cysharp/SlnMerge
https://github.com/GlitchEnzo/NuGetForUnity
https://github.com/svermeulen/Extenject
https://github.com/starikcetin/awesome-upm
https://unitynuget-registry.azurewebsites.net/
https://github.com/xoofx/UnityNuGet
https://github.com/giacomelli/GeneticSharp
https://github.com/sakno/dotNext
https://sakno.github.io/dotNext/
In-memory event-sourced ACID-transactional distributed object graph engine for .NET Standard
https://github.com/DevrexLabs/memstate
A .NET library for carefully refactoring critical paths. It's a port of GitHub's Ruby Scientist library
https://github.com/scientistproject/Scientist.net
https://github.com/reactiveui/ReactiveUI
Reactive collections based on Rx.Net
http://dynamic-data.org
https://github.com/reactiveui/DynamicData
https://github.com/runceel/ReactiveProperty
A set of libraries and tools for building reliable asynchronous software.
https://github.com/microsoft/coyote
https://github.com/Tyrrrz/CliWrap
C# implementation of Miscreant: misuse-resistant encryption library with AES-SIV (RFC 5297) and AES-PMAC-SIV support
https://miscreant.io
https://github.com/miscreant/miscreant.net
.NET Standard 1.3 implementation of the Noise Protocol Framework (revision 33 of the spec)
https://github.com/Metalnem/noise
https://guides.github.com/features/mastering-markdown/
Convert CD\DVD to ISO file
http://isorecorder.alexfeinman.com/
https://github.com/rebus-org/Rebus
C# GitHub Repository Checklist
https://gist.github.com/ZacharyPatten/08532b31ef5efc7593b32326b498023a
Other Stuff
https://github.com/dotnet/Nerdbank.GitVersioning
https://github.com/louthy/language-ext
https://github.com/louthy/echo-process
https://github.com/byme8/ZeroIoC
https://archive.codeplex.com/?p=essencesharp
https://github.com/EssenceSharp/cSharp
https://reaqtive.net/ (https://github.com/reaqtive/reaqtor)
https://reaqtive.net/blog/2021/05/reaqtors-open-source-journey
https://github.com/dotnet/command-line-api
https://highlyscalable.wordpress.com/2012/03/01/nosql-data-modeling-techniques/
https://tli2.github.io/assets/pdf/dpr-sigmod2021.pdf
https://microsoft.github.io/FASTER/
https://microsoft.github.io/FASTER/docs/fasterkv-basics/
https://www.microsoft.com/en-us/research/project/simplestore/
https://arxiv.org/abs/2006.03206
https://github.com/EgorBo/SimdJsonSharp
https://github.com/xoofx/CppAst.NET
https://github.com/reaqtive/reaqtor
https://reaqtive.net/talks/how-reaqtor-combines-reactivity-with-reliable-data-processing
https://reaqtive.net/talks/on-dotnet-live-scalable-event-processing-with-reaqtor
https://en.wikipedia.org/wiki/Elo_rating_system
https://www.stat.berkeley.edu/~aldous/Papers/me150.pdf
https://math.gatech.edu/sites/default/files/images/statistical-ranking.pdf
https://www.codeproject.com/Articles/7349/The-Essence-Pattern-in-C
https://github.com/microsoft/AMBROSIA
https://github.com/Microsoft/Trill
https://github.com/Dasync/Dasync
https://github.com/dadhi/DryIoc
https://mogest.medium.com/why-your-huge-tech-team-isnt-delivering-3851be27712c
https://github.com/mcintyre321/MetaLinq
https://endjin.com/what-we-do/open-source/
https://github.com/Cysharp/ProcessX
https://github.com/neuecc/MessagePack-CSharp
https://github.com/useaible/RyskampLearningMachine
Blazor Web Worker: https://github.com/Tewr/BlazorWorker
Console Stuff
https://github.com/TomaszRewak/C-sharp-console-gui-framework
https://github.com/developer82/FluentColorConsole
https://github.com/migueldeicaza/gui.cs
https://github.com/reactiveui/pharmacist (Generate Reactive Observables from Events)
https://github.com/codeyu/nanoid-net (Alternative to UUID)
https://github.com/thomhurst/EnumerableAsyncProcessor
https://github.com/cajuncoding/GraphQL.RepoDb
https://github.com/tedd/Tedd.MortonEncoding
https://github.com/ocornut/imgui
https://github.com/AngleSharp/AngleSharp
https://github.com/compiler-explorer/compiler-explorer
https://gist.github.com/0xjac/85097472043b697ab57ba1b1c7530274
https://github.com/Azure/azure-functions-openapi-extension
Optimal Reciprocal Collision Avoidance for C#: https://github.com/snape/RVO2-CS
https://github.com/dotnet/orleans
https://github.com/OrleansContrib/
https://github.com/OrleansContrib/Awesome-Orleans
https://www.stride3d.net/download/
https://flattened.net/ - native C# compiler
Measurement system: https://www.codeproject.com/Articles/5306824/Taking-Your-Brain-to-Another-Dimension-A-Csharp-li
Blazor switching between server and wasm at runtime: https://itnext.io/blazor-switching-server-and-webassembly-at-runtime-d65c25fd4d8
C# NLP command parser: https://github.com/takenet/textc-csharp
https://github.com/benjamin-hodgson/Sawmill - Sawmill : Simple tools for working with immutable trees, based on Uniform Boilerplate and List Processing and developed at Stack Overflow.
https://github.com/benjamin-hodgson/Pidgin - Pidgin : A lightweight, fast, and flexible parsing library for C#.
https://github.com/jonsequitur/dotnet-repl - A polyglot REPL built on .NET Interactive
https://www.codeproject.com/Articles/168662/Time-Period-Library-for-NET - Time Period Library for .NET
https://github.com/Sergio0694/PolySharp - PloySharp: Pollyfills for C#
https://github.com/dotnetcore/Natasha - Natasha: dynamic compilation
Graphing
- https://github.com/image-charts/c-sharp
- https://plotly.com/csharp/bar-charts/
- https://github.com/plotly/Plotly.NET
- https://github.com/varon/GLGraph
- (paid) https://www.scichart.com/
- https://livecharts.dev/, https://github.com/beto-rodriguez/LiveCharts2
ChatGPT Stuff...
https://github.com/sqids/sqids-dotnet
https://github.com/friflo/Friflo.Json.Fliox
https://www.codeproject.com/Articles/248440/Universal-Type-Converter
https://github.com/FlatlinerDOA/Rope
https://www.codeproject.com/Articles/5383493/Powerful-Alternative-to-NET-TPL