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Licenses and credits

Last updated November 4, 2026

CRCST Practice is built with open-source software. Thank you to the people who maintain it.

  • Next.js and React: MIT License.
  • Tailwind CSS: MIT License.
  • Better Auth: MIT License.
  • Prisma: Apache License 2.0.
  • Lucide icons: ISC License.
  • Inter by Rasmus Andersson: SIL Open Font License 1.1.
  • IBM Plex Mono by IBM: SIL Open Font License 1.1.
  • The app is based on the supastarter starter kit under its commercial license.

Exam facts are cited to HSPA's public pages. Question citations point to public documents from HSPA, the CDC, OSHA and the FDA; those documents belong to their publishers.