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Business Source License 1.1

ソース公開型SPDX 識別子: BUSL-1.1OSI ✗データ更新日: 2026年9月26日機械翻訳

かんたんな説明

ソース公開型。本番利用は追加利用許諾で制限され、各バージョンは変更日(最長 4 年)の後にオープンなライセンスへ移行する。

たとえ: ショーウィンドウのようなもの。見て試すことはでき、数年後には誰でも無料で使えるようになる。

長所

  • + 商用利用をコントロールできる
  • + コードは後でオープンソースになる

短所

  • - オープンソースではない
  • - 許諾条件がプロジェクトごとに異なる
  • - フォークを招きやすい

このライセンスを使う有名プロジェクト

マップ内の有名プロジェクト 5 件がこのライセンスを使用しています。

このライセンスから移行したプロジェクト

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

許可

  • 改変
  • 私的利用
  • 非本番環境での利用
  • 後にオープンソースへ移行

条件

  • 著作権表示を残す
  • 派生物も同じライセンス

制限

  • 責任を負わない
  • 保証なし
  • 本番利用の制限

極端なシナリオ · コードのライセンス

最悪ケースのレーダー

最悪ケースのレーダー — BSL-1.112345
  1. 1ただ乗り防止67
  2. 2クローズドフォーク防止75
  3. 3特許保護0
  4. 4導入の障壁63
  5. 5ライセンス変更の難しさ50

シナリオ表から自動計算。値が高いほどその性質が強いことを示し、「良い」という意味ではありません。

他と比較…

公式テキスト

法的効力があるのは公式テキストのみです。ライセンス本文は翻訳しません。

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.