License change
Modular open-sources the Mojo compiler and tooling
At its ModCon conference on August 18, 2026, Modular announced that the full Mojo language, including the compiler and tooling, is open source; the modular repository that holds it is licensed under Apache 2.0 with LLVM exceptions, while the prebuilt mojo package on PyPI declares a separate Modular license. Modular also said the MAX license no longer contains device usage restrictions. On September 17 it said the Mojo compiler had begun accepting outside contributions.1234
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USASI. (2026, September 29). Modular open-sources the Mojo compiler and tooling. United States of America Superintelligence. https://unitedstatesofamericasuperintelligence.com/news/modular-open-sources-mojo-compiler/
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@misc{usasi_news_modular_open_sources_mojo_compiler,
author = {{USASI}},
title = {Modular open-sources the Mojo compiler and tooling},
year = {2026},
month = sep,
howpublished = {\url{https://unitedstatesofamericasuperintelligence.com/news/modular-open-sources-mojo-compiler/}},
note = {United States of America Superintelligence. Last updated 2026-09-29}
}The date is when this page was last updated. Add the date you read it if your style needs one.