The most popular projects on GitHub may change over time, but here are some examples of popular projects:
Microsoft/vscode: Visual Studio Code, an extensible text editor developed by Microsoft.
freeCodeCamp/freeCodeCamp: An online platform for learning programming and web application development.
tensorflow/tensorflow: TensorFlow machine learning library developed by Google.
facebook/react: JavaScript library for building user interfaces.
twbs/bootstrap: A popular framework for building web interfaces.
vuejs/vue: An advanced JavaScript framework for building user interfaces.
ansible/ansible: IT automation tool.
microsoft/typeScript: The TypeScript programming language developed by Microsoft.
ohmyzsh/ohmyzsh: A set of customisations and extensions for the Zsh command line shell.
flutter/flutter: A framework for cross-platform mobile application development.
Note that these are just some of the popular projects on GitHub, and the list may not be complete. The popularity of projects can depend on a number of factors, including developer activity, star ratings, and contributions to the community.