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Third-party Notices

SurveyMarkup is built on open-source software and self-hosted fonts. The components below are used under their respective licences.

Open-source libraries

Used under permissive licences (MIT, ISC, Apache-2.0, BSD). The complete dependency tree and licences are recorded in our software bill of materials (SBOM).

  • Next.js
    MIT
  • React / React DOM
    MIT
  • Radix UI primitives
    MIT
  • lucide-react (icons)
    ISC
  • Tailwind CSS / tailwind-merge / tailwindcss-animate
    MIT
  • class-variance-authority
    Apache-2.0
  • clsx
    MIT
  • react-hook-form / @hookform/resolvers
    MIT
  • zod
    MIT
  • swr
    MIT
  • PostCSS
    MIT
  • TypeScript
    Apache-2.0

Fonts

Self-hosted under the SIL Open Font License 1.1.

  • IBM Plex Sans & IBM Plex Mono
    SIL OFL 1.1
    © IBM Corp.
  • Space Grotesk
    SIL OFL 1.1
    © Florian Karsten

Map data & imagery

The Map Linework workspace displays third-party basemaps and credits each source in the on-map attribution control.

  • OpenStreetMap
    ODbL
    Map data © OpenStreetMap contributors
  • CARTO basemaps
    CARTO terms
    Basemap © CARTO
  • Esri World Imagery
    Esri terms
    Satellite imagery © Esri (when enabled)
  • Google Maps basemap tiles
    Google Maps Platform terms
    Map data © Google — served via the backend Map Tiles API session and tile proxy when the Google basemap is enabled

Public surveying standards

GDA2020, GDA94, MGA, AUSGeoid and AHD are public surveying standards referenced for compatibility. SurveyMarkup does not claim ownership of, or authority over, these standards, and does not certify conformance to them.

Each project retains its own copyright and licence. Full licence texts are available from each project. See also our Terms of Use and Disclaimer. For corrections or questions about attribution, contact admin@surveymarkup.com.