Open source licenses

Stellamada is built with open source software and fonts. Thank you to their authors. Their copyright notices and licenses are below, as their licenses require.

• astronomy-engine 2.1.19

  MIT

  Used for: Planet and Moon positions (today's sky) · Source

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  MIT License
  
  Copyright (c) 2019-2023 Don Cross <cosinekitty@gmail.com>
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.

• luxon 3.7.2

  MIT

  Used for: Time zones and daylight saving time · Source

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  Copyright 2019 JS Foundation and other contributors
  
  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

• next 16.4.2

  MIT

  Used for: Web framework · Source

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  The MIT License (MIT)
  
  Copyright (c) 2025 Vercel, Inc.
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.

• react 19.3.0

  MIT

  Used for: User interface · Source

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  MIT License
  
  Copyright (c) Meta Platforms, Inc. and affiliates.
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.

• react-dom 19.3.0

  MIT

  Used for: User interface · Source

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  MIT License
  
  Copyright (c) Meta Platforms, Inc. and affiliates.
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.

• next-intl 4.14.9

  MIT

  Used for: Spanish and English pages · Source

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  MIT License
  
  Copyright (c) 2024 Jan Amann
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.

• @opennextjs/cloudflare 1.20.12

  MIT

  Used for: Running the site on Cloudflare · Source

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  Copyright (c) 2020 Cloudflare, Inc.
  
  Permission is hereby granted, free of charge, to any
  person obtaining a copy of this software and associated
  documentation files (the "Software"), to deal in the
  Software without restriction, including without
  limitation the rights to use, copy, modify, merge,
  publish, distribute, sublicense, and/or sell copies of
  the Software, and to permit persons to whom the Software
  is furnished to do so, subject to the following
  conditions:
  
  The above copyright notice and this permission notice
  shall be included in all copies or substantial portions
  of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  DEALINGS IN THE SOFTWARE.

• cinzel

  OFL-1.1

  Used for: Font: Cinzel (logo) · Source

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  Copyright 2020 The Cinzel Project Authors (https://github.com/NDISCOVER/Cinzel)
  
  This Font Software is licensed under the SIL Open Font License, Version 1.1.
  This license is copied below, and is also available with a FAQ at:
  http://scripts.sil.org/OFL
  
  
  -----------------------------------------------------------
  SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
  -----------------------------------------------------------
  
  PREAMBLE
  The goals of the Open Font License (OFL) are to stimulate worldwide
  development of collaborative font projects, to support the font creation
  efforts of academic and linguistic communities, and to provide a free and
  open framework in which fonts may be shared and improved in partnership
  with others.
  
  The OFL allows the licensed fonts to be used, studied, modified and
  redistributed freely as long as they are not sold by themselves. The
  fonts, including any derivative works, can be bundled, embedded,
  redistributed and/or sold with any software provided that any reserved
  names are not used by derivative works. The fonts and derivatives,
  however, cannot be released under any other type of license. The
  requirement for fonts to remain under this license does not apply
  to any document created using the fonts or their derivatives.
  
  DEFINITIONS
  "Font Software" refers to the set of files released by the Copyright
  Holder(s) under this license and clearly marked as such. This may
  include source files, build scripts and documentation.
  
  "Reserved Font Name" refers to any names specified as such after the
  copyright statement(s).
  
  "Original Version" refers to the collection of Font Software components as
  distributed by the Copyright Holder(s).
  
  "Modified Version" refers to any derivative made by adding to, deleting,
  or substituting -- in part or in whole -- any of the components of the
  Original Version, by changing formats or by porting the Font Software to a
  new environment.
  
  "Author" refers to any designer, engineer, programmer, technical
  writer or other person who contributed to the Font Software.
  
  PERMISSION & CONDITIONS
  Permission is hereby granted, free of charge, to any person obtaining
  a copy of the Font Software, to use, study, copy, merge, embed, modify,
  redistribute, and sell modified and unmodified copies of the Font
  Software, subject to the following conditions:
  
  1) Neither the Font Software nor any of its individual components,
  in Original or Modified Versions, may be sold by itself.
  
  2) Original or Modified Versions of the Font Software may be bundled,
  redistributed and/or sold with any software, provided that each copy
  contains the above copyright notice and this license. These can be
  included either as stand-alone text files, human-readable headers or
  in the appropriate machine-readable metadata fields within text or
  binary files as long as those fields can be easily viewed by the user.
  
  3) No Modified Version of the Font Software may use the Reserved Font
  Name(s) unless explicit written permission is granted by the corresponding
  Copyright Holder. This restriction only applies to the primary font name as
  presented to the users.
  
  4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
  Software shall not be used to promote, endorse or advertise any
  Modified Version, except to acknowledge the contribution(s) of the
  Copyright Holder(s) and the Author(s) or with their explicit written
  permission.
  
  5) The Font Software, modified or unmodified, in part or in whole,
  must be distributed entirely under this license, and must not be
  distributed under any other license. The requirement for fonts to
  remain under this license does not apply to any document created
  using the Font Software.
  
  TERMINATION
  This license becomes null and void if any of the above conditions are
  not met.
  
  DISCLAIMER
  THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
  OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
  COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
  DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
  OTHER DEALINGS IN THE FONT SOFTWARE.

• cormorant-garamond

  OFL-1.1

  Used for: Font: Cormorant Garamond · Source

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  Copyright 2015 The Cormorant Project Authors (github.com/CatharsisFonts/Cormorant) CormorantGaramond-Italic[wght].ttf: Copyright 2015 The Cormorant Project Authors (github.com/CatharsisFonts/Cormorant)
  
  This Font Software is licensed under the SIL Open Font License, Version 1.1.
  This license is copied below, and is also available with a FAQ at:
  http://scripts.sil.org/OFL
  
  
  -----------------------------------------------------------
  SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
  -----------------------------------------------------------
  
  PREAMBLE
  The goals of the Open Font License (OFL) are to stimulate worldwide
  development of collaborative font projects, to support the font creation
  efforts of academic and linguistic communities, and to provide a free and
  open framework in which fonts may be shared and improved in partnership
  with others.
  
  The OFL allows the licensed fonts to be used, studied, modified and
  redistributed freely as long as they are not sold by themselves. The
  fonts, including any derivative works, can be bundled, embedded,
  redistributed and/or sold with any software provided that any reserved
  names are not used by derivative works. The fonts and derivatives,
  however, cannot be released under any other type of license. The
  requirement for fonts to remain under this license does not apply
  to any document created using the fonts or their derivatives.
  
  DEFINITIONS
  "Font Software" refers to the set of files released by the Copyright
  Holder(s) under this license and clearly marked as such. This may
  include source files, build scripts and documentation.
  
  "Reserved Font Name" refers to any names specified as such after the
  copyright statement(s).
  
  "Original Version" refers to the collection of Font Software components as
  distributed by the Copyright Holder(s).
  
  "Modified Version" refers to any derivative made by adding to, deleting,
  or substituting -- in part or in whole -- any of the components of the
  Original Version, by changing formats or by porting the Font Software to a
  new environment.
  
  "Author" refers to any designer, engineer, programmer, technical
  writer or other person who contributed to the Font Software.
  
  PERMISSION & CONDITIONS
  Permission is hereby granted, free of charge, to any person obtaining
  a copy of the Font Software, to use, study, copy, merge, embed, modify,
  redistribute, and sell modified and unmodified copies of the Font
  Software, subject to the following conditions:
  
  1) Neither the Font Software nor any of its individual components,
  in Original or Modified Versions, may be sold by itself.
  
  2) Original or Modified Versions of the Font Software may be bundled,
  redistributed and/or sold with any software, provided that each copy
  contains the above copyright notice and this license. These can be
  included either as stand-alone text files, human-readable headers or
  in the appropriate machine-readable metadata fields within text or
  binary files as long as those fields can be easily viewed by the user.
  
  3) No Modified Version of the Font Software may use the Reserved Font
  Name(s) unless explicit written permission is granted by the corresponding
  Copyright Holder. This restriction only applies to the primary font name as
  presented to the users.
  
  4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
  Software shall not be used to promote, endorse or advertise any
  Modified Version, except to acknowledge the contribution(s) of the
  Copyright Holder(s) and the Author(s) or with their explicit written
  permission.
  
  5) The Font Software, modified or unmodified, in part or in whole,
  must be distributed entirely under this license, and must not be
  distributed under any other license. The requirement for fonts to
  remain under this license does not apply to any document created
  using the Font Software.
  
  TERMINATION
  This license becomes null and void if any of the above conditions are
  not met.
  
  DISCLAIMER
  THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
  OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
  COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
  DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
  OTHER DEALINGS IN THE FONT SOFTWARE.

• plus-jakarta-sans

  OFL-1.1

  Used for: Font: Plus Jakarta Sans · Source

  Show license text

  Copyright 2020 The Plus Jakarta Sans Project Authors (https://github.com/tokotype/PlusJakartaSans) PlusJakartaSans-Italic[wght].ttf: Copyright 2020 The Plus Jakarta Sans Project Authors (https://github.com/tokotype/PlusJakartaSans)
  
  This Font Software is licensed under the SIL Open Font License, Version 1.1.
  This license is copied below, and is also available with a FAQ at:
  http://scripts.sil.org/OFL
  
  
  -----------------------------------------------------------
  SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
  -----------------------------------------------------------
  
  PREAMBLE
  The goals of the Open Font License (OFL) are to stimulate worldwide
  development of collaborative font projects, to support the font creation
  efforts of academic and linguistic communities, and to provide a free and
  open framework in which fonts may be shared and improved in partnership
  with others.
  
  The OFL allows the licensed fonts to be used, studied, modified and
  redistributed freely as long as they are not sold by themselves. The
  fonts, including any derivative works, can be bundled, embedded,
  redistributed and/or sold with any software provided that any reserved
  names are not used by derivative works. The fonts and derivatives,
  however, cannot be released under any other type of license. The
  requirement for fonts to remain under this license does not apply
  to any document created using the fonts or their derivatives.
  
  DEFINITIONS
  "Font Software" refers to the set of files released by the Copyright
  Holder(s) under this license and clearly marked as such. This may
  include source files, build scripts and documentation.
  
  "Reserved Font Name" refers to any names specified as such after the
  copyright statement(s).
  
  "Original Version" refers to the collection of Font Software components as
  distributed by the Copyright Holder(s).
  
  "Modified Version" refers to any derivative made by adding to, deleting,
  or substituting -- in part or in whole -- any of the components of the
  Original Version, by changing formats or by porting the Font Software to a
  new environment.
  
  "Author" refers to any designer, engineer, programmer, technical
  writer or other person who contributed to the Font Software.
  
  PERMISSION & CONDITIONS
  Permission is hereby granted, free of charge, to any person obtaining
  a copy of the Font Software, to use, study, copy, merge, embed, modify,
  redistribute, and sell modified and unmodified copies of the Font
  Software, subject to the following conditions:
  
  1) Neither the Font Software nor any of its individual components,
  in Original or Modified Versions, may be sold by itself.
  
  2) Original or Modified Versions of the Font Software may be bundled,
  redistributed and/or sold with any software, provided that each copy
  contains the above copyright notice and this license. These can be
  included either as stand-alone text files, human-readable headers or
  in the appropriate machine-readable metadata fields within text or
  binary files as long as those fields can be easily viewed by the user.
  
  3) No Modified Version of the Font Software may use the Reserved Font
  Name(s) unless explicit written permission is granted by the corresponding
  Copyright Holder. This restriction only applies to the primary font name as
  presented to the users.
  
  4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
  Software shall not be used to promote, endorse or advertise any
  Modified Version, except to acknowledge the contribution(s) of the
  Copyright Holder(s) and the Author(s) or with their explicit written
  permission.
  
  5) The Font Software, modified or unmodified, in part or in whole,
  must be distributed entirely under this license, and must not be
  distributed under any other license. The requirement for fonts to
  remain under this license does not apply to any document created
  using the Font Software.
  
  TERMINATION
  This license becomes null and void if any of the above conditions are
  not met.
  
  DISCLAIMER
  THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
  OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
  COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
  DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
  OTHER DEALINGS IN THE FONT SOFTWARE.

• VSOP87 (Earth series)

  MIT (table as truncated in astronomy-engine)

  Used for: Sun position for zodiac signs and Saju solar terms · Source

  Show license text

  VSOP87 theory by P. Bretagnon and G. Francou (1988). Coefficients as truncated in astronomy-engine,
  Copyright (c) 2019-2023 Don Cross, MIT License (see astronomy-engine above).

• GeoNames

  CC BY 4.0

  Used for: Birthplace search (cities with 15,000+ people) · Source

  Show license text

  City data from GeoNames (https://www.geonames.org), licensed under a Creative Commons Attribution 4.0 License
  (https://creativecommons.org/licenses/by/4.0/). Changes: reduced to names, alternate names, country, first-level region,
  coordinates rounded to 0.1°, and time zone. The data is provided "as is" without warranty of any kind.