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Buck2 vs PlantUML
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Free
Free
Build Systems
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Free
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Build Systems
Overview
Focus
Build Systems
Developer Tools
Product
Meta open source large-scale build system providing fast parallel builds with support for many languages and platforms.
Open source tool for creating UML diagrams from plain text descriptions with support for many diagram types.
Headquarters
Menlo Park, California
Remote
Company size
10,001+ employees
2-10 employees
Founded
2023
2009
Pricing details
Published rate
Free
Free
Free options
Free plan
Free plan
Source updated
Oct 29, 2026
Oct 29, 2026