- Dr. Martin Altmann for providing the Gaia orbit data
- HYG catalog
- DPAC and the Gaia Collaboration
- Libgdx
- libgdx-contribs-postprocessing
- VisUI for some widgets (licensed under the Apache license)
- PgsLookAndFeel
- VSOP87 code generator tool for the base VSOP87 java code
- Mark Taylor's STIL library
- The Jython Project
- ernieyu for the Java Swing range slider
- Sergei Klioner and Robin Geyer (TU Dresden) for the idea and octave implementation of the gravitational waves effect
- Nick Risinger for the artist’s conception of the Milky Way
- Andreas Ressl and Georg Hammershmid for the star glow texture
- Tom Patterson (www.shadedrelief.com) for some textures
- Solar System Scope for some textures (Mercury, Venus, Earth, Moon)
- Phil Stooke and Grant Hutchison (http://www.classe.cornell.edu/~seb/celestia/hutchison/index-125.html) for some of the textures
- David Navas for the simple spaceship model
- Terranimperial for the USS Enterprise NCC-1701-A model, licensed under CC Attribution
- Machuca+Arias+Caballero for the music track “Gaia-DR1”
- Peppy & The Firing Squad for 'Y=MX+B' track
- DJ Masque for the 'Oceanic Dawn' track
- icons8.com for some icons
- Galaxy Map (Kevin Jardine, @galaxy_map) for the isodensity meshes
- ESA/Planck/C. North, www.chromoscope.net/planck for the Cosmic Microwave Background images.
- Stefan Jordan for the German translation
- Klemen Čotar for the Slovene translation
- Catherine Turon, Nicolas Leclerc and Guillaume Plum for the French translation
- Install4j (multi-platform installer builder), for providing an open source license
- JProfiler (Java profiler), for providing an open source license
- Bitrock's InstallBuilder for providing a free open source license