Credits
Updated 30 September 2026
Ulune is built on the work of others. Thank you to all of them.
Ulune’s own code
Free software under the GNU Affero General Public License, version 3 or later, as the Swiss Ephemeris asks of what is built on it: the source code (opens in a new tab).
Calculations
- Swiss Ephemeris (opens in a new tab), © Astrodienst AG, Zurich: the planets, houses and fixed stars, with ephemeris files built from NASA JPL’s DE441.
- sweph-wasm (opens in a new tab): the Swiss Ephemeris compiled to WebAssembly (GNU AGPL 3.0).
Places and time zones
- Place search by Open-Meteo.com (opens in a new tab) (CC BY 4.0 (opens in a new tab)), with location data from GeoNames (opens in a new tab) (CC BY 4.0).
- Time-zone boundaries from timezone-boundary-builder (opens in a new tab), © OpenStreetMap contributors (opens in a new tab) (ODbL (opens in a new tab)), through geo-tz (MIT) and tz-lookup (CC0).
- Time-zone history from the IANA Time Zone Database (opens in a new tab) (public domain).
Fonts
Under the SIL Open Font License 1.1 (opens in a new tab), unless noted:
- Fraunces, © The Fraunces Project Authors (Undercase Type)
- Familjen Grotesk, © The Familjen Grotesk Project Authors
- IBM Plex Sans, Serif and Mono, © IBM Corp.
- Source Serif 4 and Source Sans 3, © Adobe
- Noto Sans Symbols and Noto Sans Symbols 2, © The Noto Project Authors (a subset)
- Ulune Classic: a subset of Astronomicon, © Roberto Corona, renamed as the licence asks of a modified version
- StarFont Sans and StarFont Serif, by Matthew Skala and Anthony I. P. Owen (public domain)
Software
Ulune runs on open-source software, including React (opens in a new tab), TanStack Start (opens in a new tab), Vite (opens in a new tab), Zustand (opens in a new tab), Zod (opens in a new tab), date-fns (opens in a new tab), React DayPicker (opens in a new tab), the Lucide (opens in a new tab) icons and noble-hashes (opens in a new tab) (MIT and ISC licences).
Human Design
“Human Design” and “bodygraph” are used here to describe the system. Ulune is independent: it is not affiliated with or endorsed by Jovian Archive. Its bodygraph drawing and its explanations were written for Ulune; gate and channel names follow common usage.