Are We Modules Yet?

https://arewemodulesyet.org/

C++20 modules for a brighter future – and your help!

Faster compilation • Better encapsulation • No macro leakage • No include order issues

61 of 2575 projects complete • Estimated completion: 12 June 2250

Popularity based on vcpkg port updates: Generated Date: 22 November 2025 Count parsed from this git commit. 175 C libraries excluded. Website last rebuilt: 3 December 2025

This website tracks the most popular C++ projects, compilers, and build systems. We use vcpkg to get a rough idea of how popular a library is based on how many revisions the port has.

We also have an example section to track good projects using modules natively and a document section tracks good articles about modules too.

Feel free to contribute to these lists.

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