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Cloud Native Buildpacks vs Railpack: catalog facts
Cloud Native Buildpacks	Railpack
Free Free to use as a CNCF open-source project.	Free Free and open source under the MIT licence.
Command line	Windows, Command line
Builds container images from source without a Dockerfile Custom buildpacks can support new languages or toolchains	Builds images without writing a Dockerfile Supports many languages and popular static site frameworks
Less direct control over the image than a hand-written Dockerfile Writing custom buildpacks takes extra learning	Requires BuildKit to build images Automatic detection may need config overrides for unusual projects
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.