Open-source licenses
The code that runs on this site was written without third-party libraries. Listed below are the typeface and the tools used ahead of time to build the lunar and holiday tables and the spreadsheet files. The tools themselves are not shipped with the site.
| Name | Author | License |
|---|---|---|
| Pretendard (typeface) | Kil Hyung-jin | SIL Open Font License 1.1 |
| korean_lunar_calendar (used to build the lunar table) | Jinil Lee | MIT |
| holidays (US table and cross-checks) | Vacanza Team and contributors | MIT |
| PyEphem (astronomical cross-check) | Brandon Rhodes | MIT |
| openpyxl (used to build the .xlsx files) | Eric Gazoni, Charlie Clark | MIT |