- Dr. Martin Altmann for providing the Gaia orbit data.
- Stefan Payne-Wardenaar for the Milky Way model.
- DPAC and the Gaia Collaboration.
- The available catalogs and datasets have their own acknowledgements in the form of links to the original source and/or papers.
- Floor van Leeuwen for the Hipparcos star name files.
- Pierre Barbier for the constellation boundaries data.
- LWJGL
- Libgdx.
- libgdx-contribs-postprocessing.
- gdx-gltf.
- VisUI for some widgets (licensed under the Apache license).
- Mark Taylor's STIL and jsamp, available under (at least) the Academic Free License and the BSD License.
- Sergei Klioner and Robin Geyer (TU Dresden) for the idea and octave implementation of the gravitational waves effect.
- Mikko Tommila for Apfloat.
- Py4J.
- set111 for the original black hole shader code, licensed by default under CC-BY-NC-SA.
- Cedric Beust for JCommander.
- JTar.
- OSHI.
- Apache Commons IO.
- MCXR, used as inspiration for the OpenXR abstraction layer on top of LWJGL 3.
- gl-noise, for the base implementation of GLSL noise, later modified by us. MIT license.
- Wolfgang Löffler for the base implementation of the ephemeris based on Chebyshev polynomials.
- starnet++, used to remove stars from some of the nebulae images.
- Nick Risinger for the artist’s conception of the Milky Way (versions lower than
2.2.0). - Andreas Ressl and Georg Hammershmid for the star glow texture.
- Stefan Payne-Wardenaar for the Milky Way mini-map scale background.
- Tom Patterson for some textures.
- Solar System Scope for some of the planetary and moon textures.
- Phil Stooke and Grant Hutchison for some of the textures.
- David Navas for the simple spaceship model.
- Galaxy Map (Kevin Jardine, @galaxy_map) for the isodensity meshes and the solar neighbourhood minimap images.
- ESA/Planck/C. North, www.chromoscope.net/planck for the Cosmic Microwave Background images.
- USGS for the Moon LRO LOLA Elevation Model and the Mercury MESSENGER Global Digital Elevation Model.
- Open Iconic icon set (MIT licensed).
See the CONTRIBUTORS.md file for a full list of contributors.
- Install4j (multi-platform installer builder), for providing an open source license.
- JProfiler (Java profiler), for providing an open source license.