Chainguard builds hardened, production-ready versions of open source software. The catalog covers container images, language libraries, and VM images, rebuilt continuously from source with cryptographic signatures and SBOMs so engineering teams get verifiable provenance out of the box.

Stated mission: "We guard open source software from what could go wrong, so engineering teams can build what they want." Co-founded by Dan Lorenc (CEO), Matt Moore (CTO), and Ville Aikas.

Customers include OpenAI, Snowflake, Canva, GitLab, Anduril, HPE, Snap, Nasdaq, Confluent, Elastic, and SolarWinds. Backed by Sequoia, Kleiner Perkins, Lightspeed, Redpoint, IVP, Spark Capital, Amplify, and Mantis.

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