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Business Source License 1.1

源码可见SPDX 标识: BUSL-1.1OSI ✗数据更新于 2026年9月26日机器翻译

白话解读

源码可见:生产使用受“附加使用授权”限制,每个版本在“变更日”(最长 4 年)后转为开源许可证。

类比: 橱窗展示:可以看、可以试用,几年后这件商品对所有人免费。

优点

  • + 可控制商业使用
  • + 代码日后会变成开源

缺点

  • - 不是开源许可证
  • - 各项目的授权条件不同
  • - 容易引发分叉

使用它的知名项目

图谱中有 5 个知名项目使用该许可证。

曾经使用、后来改掉的项目

  • 2024年8月15日CockroachDB→ CockroachDB Software License
  • 2023年11月17日Sentry→ FSL-1.1

允许

  • 修改
  • 私人使用
  • 非生产使用
  • 日后转为开源

义务

  • 保留版权声明
  • 衍生作品同协议

限制

  • 不承担责任
  • 不提供担保
  • 限制生产使用

极端场景 · 代码许可证

与其他许可证对比…

官方原文

只有官方文本具有法律效力,本站不自行翻译许可证原文。

https://spdx.org/licenses/BUSL-1.1.html

Business Source License 1.1
Business Source License 1.1

License text copyright © 2017 MariaDB Corporation Ab, All Rights Reserved.
"Business Source License" is a trademark of MariaDB Corporation Ab.

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
versions of the Licensed Work.

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
   impose any additional restriction on the right granted in this License, as
   the Additional Use Grant; or (b) insert the text “None”.

3. To specify a Change Date.

4. Not to modify this License in any other way.