We have started with web browsers made using Visual Basic .NET. Then, we have discovered Poncho's OSDEV tutorial and started experimenting with operating systems. Today, our focus is on low level projects and desktop applications.
Other major contributors:
They are FOSS, free and open source. Some projects can be licensed under different terms if worked in partnership with third parties.
Just look chart down below.
This is data for repository's main language (repo count)!