As a rule of thumb, people who offer their own code publicly, are usually in the top 10% of developers. People who have ever contributed to another project, eve

As a rule of thumb, people who offer their own code publicly, are usually in the top 10% of developers. People who have ever contributed to another project, even if in a minor way, are in the top 5%. And people who contribute or develop their own projects with any regularity, are the top 1%. Exceptions exist, but this pattern emerges on a large enough scale.