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LICENSE.txt
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SPACETIMEDB BUSINESS SOURCE LICENSE AGREEMENT
Business Source License 1.1
Parameters
Licensor: Clockwork Laboratories, Inc.
Licensed Work: SpacetimeDB 1.0.0-rc1
The Licensed Work is
(c) 2023 Clockwork Laboratories, Inc.
Additional Use Grant: You may make use of the Licensed Work provided your
application or service uses the Licensed Work with no
more than one SpacetimeDB instance in production and
provided that you do not use the Licensed Work for a
Database Service.
A “Database Service” is a commercial offering that
allows third parties (other than your employees and
contractors) to access the functionality of the
Licensed Work by creating tables whose schemas are
controlled by such third parties.
Change Date: 2029-08-12
Change License: GNU Affero General Public License v3.0 with a linking
exception
For information about alternative licensing arrangements for the Software,
please visit: https://spacetimedb.com
Notice
The Business Source License (this document, or the “License”) is not an Open
Source license. However, the Licensed Work will eventually be made available
under an Open Source License, as stated in this License.
License text copyright (c) 2017 MariaDB Corporation Ab, All Rights Reserved.
“Business Source License” is a trademark of MariaDB Corporation Ab.
-----------------------------------------------------------------------------
Business Source License 1.1
Terms
The Licensor hereby grants you the right to copy, modify, create derivative
works, redistribute, and make non-production use of the Licensed Work. The
Licensor may make an Additional Use Grant, above, permitting limited
production use.
Effective on the Change Date, or the fourth anniversary of the first publicly
available distribution of a specific version of the Licensed Work under this
License, whichever comes first, the Licensor hereby grants you rights under
the terms of the Change License, and the rights granted in the paragraph
above terminate.
If your use of the Licensed Work does not comply with the requirements
currently in effect as described in this License, you must purchase a
commercial license from the Licensor, its affiliated entities, or authorized
resellers, or you must refrain from using the Licensed Work.
All copies of the original and modified Licensed Work, and derivative works
of the Licensed Work, are subject to this License. This License applies
separately for each version of the Licensed Work and the Change Date may vary
for each version of the Licensed Work released by Licensor.
You must conspicuously display this License on each original or modified copy
of the Licensed Work. If you receive the Licensed Work in original or
modified form from a third party, the terms and conditions set forth in this
License apply to your use of that work.
Any use of the Licensed Work in violation of this License will automatically
terminate your rights under this License for the current and all other
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This License does not grant you any right in any trademark or logo of
Licensor or its affiliates (provided that you may use a trademark or logo of
Licensor as expressly required by this License).
TO THE EXTENT PERMITTED BY APPLICABLE LAW, THE LICENSED WORK IS PROVIDED ON
AN “AS IS” BASIS. LICENSOR HEREBY DISCLAIMS ALL WARRANTIES AND CONDITIONS,
EXPRESS OR IMPLIED, INCLUDING (WITHOUT LIMITATION) WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, AND
TITLE.
MariaDB hereby grants you permission to use this License’s text to license
your works, and to refer to it using the trademark “Business Source License”,
as long as you comply with the Covenants of Licensor below.
Covenants of Licensor
In consideration of the right to use this License’s text and the “Business
Source License” name and trademark, Licensor covenants to MariaDB, and to all
other recipients of the licensed work to be provided by Licensor:
1. To specify as the Change License the GPL Version 2.0 or any later version,
or a license that is compatible with GPL Version 2.0 or a later version,
where “compatible” means that software provided under the Change License can
be included in a program with software provided under GPL Version 2.0 or a
later version. Licensor may specify additional Change Licenses without
limitation.
2. To either: (a) specify an additional grant of rights to use that does not
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4. Not to modify this License in any other way.
-----------------------------------------------------------------------------
Copyright (C) 2023 Clockwork Laboratories, Inc.
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU Affero General Public License, version 3, as published
by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, see <https://www.gnu.org/licenses>.
Additional permission under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or combining it
with SpacetimeDB (or a modified version of that library), containing parts
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you additional permission to convey the resulting work.
Additional permission under GNU AGPL version 3 section 13
If you modify this Program, or any covered work, by linking or combining it
with SpacetimeDB (or a modified version of that library), containing parts
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License, you need not prominently offer all users interacting with your
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receive the Corresponding Source of your version from a network server at no
charge, if your version supports such interaction. This permission does not
waive or modify any other obligations or terms of the AGPL v3.0, except for
the specific requirement set forth in section 13.
A copy of the AGPL v3.0 license is reproduced below.
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright © 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this license
document, but changing it is not allowed.
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the further restriction does not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you must
place, in the relevant source files, a statement of the additional terms that
apply to those files, or a notice indicating where to find the applicable
terms.
Additional terms, permissive or non-permissive, may be stated in the form of
a separately written license, or stated as exceptions; the above requirements
apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly provided
under this License. Any attempt otherwise to propagate or modify it is void,
and will automatically terminate your rights under this License (including
any patent licenses granted under the third paragraph of section 11).
However, if you cease all violation of this License, then your license from a
particular copyright holder is reinstated (a) provisionally, unless and until
the copyright holder explicitly and finally terminates your license, and (b)
permanently, if the copyright holder fails to notify you of the violation by
some reasonable means prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is reinstated
permanently if the copyright holder notifies you of the violation by some
reasonable means, this is the first time you have received notice of
violation of this License (for any work) from that copyright holder, and you
cure the violation prior to 30 days after your receipt of the notice.
Termination of your rights under this section does not terminate the licenses
of parties who have received copies or rights from you under this License. If
your rights have been terminated and not permanently reinstated, you do not
qualify to receive new licenses for the same material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or run a copy
of the Program. Ancillary propagation of a covered work occurring solely as a
consequence of using peer-to-peer transmission to receive a copy likewise
does not require acceptance. However, nothing other than this License grants
you permission to propagate or modify any covered work. These actions
infringe copyright if you do not accept this License. Therefore, by modifying
or propagating a covered work, you indicate your acceptance of this License
to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically receives a
license from the original licensors, to run, modify and propagate that work,
subject to this License. You are not responsible for enforcing compliance by
third parties with this License.
An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered work
results from an entity transaction, each party to that transaction who
receives a copy of the work also receives whatever licenses to the work the
party's predecessor in interest had or could give under the previous
paragraph, plus a right to possession of the Corresponding Source of the work
from the predecessor in interest, if the predecessor has it or can get it
with reasonable efforts.
You may not impose any further restrictions on the exercise of the rights
granted or affirmed under this License. For example, you may not impose a
license fee, royalty, or other charge for exercise of rights granted under
this License, and you may not initiate litigation (including a cross-claim or
counterclaim in a lawsuit) alleging that any patent claim is infringed by
making, using, selling, offering for sale, or importing the Program or any
portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this License
of the Program or a work on which the Program is based. The work thus
licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims owned or
controlled by the contributor, whether already acquired or hereafter
acquired, that would be infringed by some manner, permitted by this License,
of making, using, or selling its contributor version, but do not include
claims that would be infringed only as a consequence of further modification
of the contributor version. For purposes of this definition, "control"
includes the right to grant patent sublicenses in a manner consistent with
the requirements of this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free patent
license under the contributor's essential patent claims, to make, use, sell,
offer for sale, import and otherwise run, modify and propagate the contents
of its contributor version.
In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent (such
as an express permission to practice a patent or covenant not to sue for
patent infringement). To "grant" such a patent license to a party means to
make such an agreement or commitment not to enforce a patent against the
party.
If you convey a covered work, knowingly relying on a patent license, and the
Corresponding Source of the work is not available for anyone to copy, free of
charge and under the terms of this License, through a publicly available
network server or other readily accessible means, then you must either (1)
cause the Corresponding Source to be so available, or (2) arrange to deprive
yourself of the benefit of the patent license for this particular work, or
(3) arrange, in a manner consistent with the requirements of this License, to
extend the patent license to downstream recipients. "Knowingly relying" means
you have actual knowledge that, but for the patent license, your conveying
the covered work in a country, or your recipient's use of the covered work in
a country, would infringe one or more identifiable patents in that country
that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or arrangement,
you convey, or propagate by procuring conveyance of, a covered work, and
grant a patent license to some of the parties receiving the covered work
authorizing them to use, propagate, modify or convey a specific copy of the
covered work, then the patent license you grant is automatically extended to
all recipients of the covered work and works based on it.
A patent license is "discriminatory" if it does not include within the scope
of its coverage, prohibits the exercise of, or is conditioned on the
non-exercise of one or more of the rights that are specifically granted under
this License. You may not convey a covered work if you are a party to an
arrangement with a third party that is in the business of distributing
software, under which you make payment to the third party based on the extent
of your activity of conveying the work, and under which the third party
grants, to any of the parties who would receive the covered work from you, a
discriminatory patent license (a) in connection with copies of the covered
work conveyed by you (or copies made from those copies), or (b) primarily for
and in connection with specific products or compilations that contain the
covered work, unless you entered into that arrangement, or that patent
license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting any
implied license or other defenses to infringement that may otherwise be
available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not excuse
you from the conditions of this License. If you cannot convey a covered work
so as to satisfy simultaneously your obligations under this License and any
other pertinent obligations, then as a consequence you may not convey it at
all. For example, if you agree to terms that obligate you to collect a
royalty for further conveying from those to whom you convey the Program, the
only way you could satisfy both those terms and this License would be to
refrain entirely from conveying the Program.
13. Remote Network Interaction; Use with the GNU General Public License.
Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users interacting
with it remotely through a computer network (if your version supports such
interaction) an opportunity to receive the Corresponding Source of your
version by providing access to the Corresponding Source from a network server
at no charge, through some standard or customary means of facilitating
copying of software. This Corresponding Source shall include the
Corresponding Source for any work covered by version 3 of the GNU General
Public License that is incorporated pursuant to the following paragraph.
Notwithstanding any other provision of this License, you have permission to
link or combine any covered work with a work licensed under version 3 of the
GNU General Public License into a single combined work, and to convey the
resulting work. The terms of this License will continue to apply to the part
which is the covered work, but the work with which it is combined will remain
governed by version 3 of the GNU General Public License.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of the
GNU Affero General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies that a certain numbered version of the GNU Affero General Public
License "or any later version" applies to it, you have the option of
following the terms and conditions either of that numbered version or of any
later version published by the Free Software Foundation. If the Program does
not specify a version number of the GNU Affero General Public License, you
may choose any version ever published by the Free Software Foundation.
If the Program specifies that a proxy can decide which future versions of the
GNU Affero General Public License can be used, that proxy's public statement
of acceptance of a version permanently authorizes you to choose that version
for the Program.
Later license versions may give you additional or different permissions.
However, no additional obligations are imposed on any author or copyright
holder as a result of your choosing to follow a later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND,
EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.
SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY
SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL
ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE
PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE
OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR
DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR
A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH
HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided above
cannot be given local legal effect according to their terms, reviewing courts
shall apply local law that most closely approximates an absolute waiver of
all civil liability in connection with the Program, unless a warranty or
assumption of liability accompanies a copy of the Program in return for a
fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest possible
use to the public, the best way to achieve this is to make it free software
which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach
them to the start of each source file to most effectively state the exclusion
of warranty; and each file should have at least the "copyright" line and a
pointer to where the full notice is found.
SpacetimeDB: A database which replaces your server.
Copyright (C) 2023 Clockwork Laboratories, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer network,
you should also make sure that it provides a way for users to get its source.
For example, if your program is a web application, its interface could
display a "Source" link that leads users to an archive of the code. There are
many ways you could offer source, and different solutions will be better for
different programs; see section 13 for the specific requirements.
You should also get your employer (if you work as a programmer) or school, if
any, to sign a "copyright disclaimer" for the program, if necessary. For more
information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.