"We're seeing trends toward more statically typed languages focused on thread safety and interoperability: Kotlin, TypeScript, and Rust are growing fast this year," said GitHub.
"In addition, the number of contributors writing HCL, a human-readable language for DevOps, has more than doubled since 2017."
The image below shows the languages with the biggest growth, based on growth in contributions in GitHub.
Top open source projects
VS Code, React, and Tensorflow once again tops our list of open source projects by contributor count. New to the list are projects that manage containerized applications, share Azure documentation, and consolidate TypeScript type definitions: Kubernetes, Azure Docs, and DefinitelyTyped.
Fastest growing open source projects
Cool new open source projects
You open sourced a lot of exciting work this year, from machine learning frameworks to games. These projects aren't the fastest growing or highest grossing but we thought they were star-worthy-and so did the community!
Top languages over time
This year, TypeScript shot up to #7 among top languages used on the platform overall, after making its way in the top 10 for the first time last year. TypeScript is now in the top 10 most used languages across all regions GitHub contributors come from-and across private, public, and open source repositories
Top emoji reactions by programming language
Contributors to Ruby offer the highest percentage of Love -but we didn't need data to know that.