A free, Open Source, Cross Platform C/C++ IDE 

• ایران دومین کشور پشرفت کننده در پروژه‌های open source
  
• aspnet/AspNetCore سریعترین پروژه در حال رشد open source
•  vs code بیشترین تعداد contributor 
  
• و ...

Announcing Dapr, an open source project to make it easier for every developer to build microservice applications - Open Source Blog 

Microsoft open sources SandDance, a visual data exploration tool - Open Source Blog 

Open Source Guides
Open source software is made by people just like you. Learn how to launch and grow your project.  

Open source has traditionally been thought of as unpaid charity work, but there are some amazing benefits to contributing to open source projects. 

Curated list of awesome Roslyn books, tutorials, open-source projects, analyzers, code fixes, refactorings, and source generators  

“Microsoft.Data.Sqlite“, is an open source library and is also available as NuGet package. Here’s the Github source code for reference.