Modular Releases Open-Source Version of Mojo Language
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Modular released the Mojo programming language as open source on August 18, 2026, according to Hacker News.
The project originally aimed to serve as a superset of Python, but its development path shifted around August 2025.
The compiler and toolchain carry the Apache 2 license, following an open-source commitment Simon Willison detailed in May 2023.