Credits & Data Sources

Ceytrex Toolkit builds on open Sri Lanka reference data where it helps accuracy. We gratefully credit the communities and projects below. Tools that use this data also show an in-tool attribution.

Sri Lanka Web Developers Community

GitHub: github.com/slwdc

Postal-CodesMIT
Used in Postal Code & District Finder
name-stemming-rulesSee repository
Used in Sri Lankan Name Normalizer
is-sinhaleseMIT
Used in Sinhala Script Checker

Open Admin Data

GitHub: github.com/open-admin-data

sri-lanka-administrative-divisionsCC-BY-4.0
Used in Province & District Explorer

Dilshan-H

GitHub: github.com/Dilshan-H

srilanka-holidaysMIT
Used in Sri Lanka Public Holidays (2025 data + format)

License note

Redistributed data files keep upstream license terms (MIT / CC-BY-4.0 as applicable). See docs/ATTRIBUTIONS.md in the project for maintainers. Official rates (tax, tariffs, fuel) remain estimate-only and are credited to the relevant authority in each tool. GPL datasets (e.g. SLWDC Sinhala-Words-List) are not vendored into this project.