Credits

Sacrera Sacred Geometry was made by Daniel Yordanov, who also wrote the meditations.

Voices. The voices in the guided meditations are AI voices, made with ElevenLabs.

Photographs on Unsplash. Solar, NASA/SDO. Carina Nebula, NASA, ESA and the Hubble SM4 ERO Team (CC BY 4.0), cropped and animated for the app. Orion Nebula, Aldebaran S. Ocean, Cristian Palmer; humpback whale, Chinh Le Duc. Coral, Shifaz Abdul Hakkim. Crimson Coral, Diane Picchiottino. Rainforest, Jan Kronies. Cloud, Taylor Van Riper. Lotus Lake and Volcanic were painted for the app.

Sounds from Freesound, all CC0. Fire, SilverIllusionist. Rain, thinkingfish. Chimes, Live99. Spring, GammaGool and newlocknew. Ocean, cesar-gutierrez-99. Submarine, LilMati and therealdeevee. Gongs, bone666138. Rainforest, alberto_cendra_woodman. Winter Cave, a23spyro, mannhawks and Nakhas. The four Noise sounds were made for the app.

Tarot. The pictures are by Pamela Colman Smith, made with A. E. Waite and first published in 1909. They are in the public domain. The scans and the card back come from Luciella Scarlett’s pack; the card back is CC0. Six pictures were partly repainted for the app. The card meanings were written for the app.

Unwind. The pictures in Unwind were drawn for the app. The Alice set follows Lewis Carroll’s 1865 book.

Stars. The places, brightness, distances and colors of the stars come from the HYG database v4.1 by David Nash, astronexus.com, under CC BY-SA 4.0. The table built from it for the app is offered under the same license.

Sky map and birth chart. The stars and the lines of the constellations come from d3-celestial by Olaf Frohn (BSD 3-Clause), drawn from the Hipparcos and Yale catalogues. The positions of the Sun, Moon and planets are worked out with Astronomy Engine by Don Cross (MIT). The towns come from GeoNames (CC BY 4.0).

Moon. The Moon’s face and its heights are from NASA’s Scientific Visualization Studio, made from Lunar Reconnaissance Orbiter data.

Photo themes and papers. From Unsplash and Unsplash+; Submarine, Sumaid pal Singh Bakshi.

Typefaces. Bona Nova, © 2017 The Bona Nova Project Authors, and Jost, © 2020 The Jost Project Authors, both under the SIL Open Font License 1.1. The license comes with the app.

The sacred geometry forms are traditional and belong to everyone.

The full texts of the open-source licences are under Open-source licences.