Computer Associates Trusted Open Source License 1.1
Also known as CATOSL-1.1.
- Commercial use
- allowed
- Share alike
- not required
- Attribution
- required (keep the copyright and license notices)
Permissions
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Charge distribution fee from the text Charging a fee for the act of providing a copy of the work to someone else.
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Commercial use from the text Using the work to generate income, directly or indirectly, for example by selling it or by using it in advertising.
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Derivative works from the text Distributing an adaptation of the work and making it available to the public.
Duties
- Attribution from the text Giving credit to the copyright holders or authors of the work, in the form the licensor asks for.
- Notice from the text Notice: keeping the license and copyright notices with every copy.
- Source code from the text Providing access to the source code of the work with every copy distributed.
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Derive from the text Creating a new work from the work, such as a translation, adaptation or arrangement of it or of a part of it.
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Duties
- Attribution from the text Giving credit to the copyright holders or authors of the work, in the form the licensor asks for.
- Notice from the text Notice: keeping the license and copyright notices with every copy.
- Source code from the text Providing access to the source code of the work with every copy distributed.
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Modify from the text Altering the work, for example by updating it, without creating a new work; an alteration that creates a new work is Derive.
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Present from the text Performing the work in public, including by broadcast or other communication to the public.
Prohibitions
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Add statement from the text Not permitted: Add statement. Attaching terms, notices or statements of one's own to the work or to one's modifications when passing it on.
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Promote from the text Not permitted: Promote. Using the name or trademarks of the licensor or of contributors to endorse or promote a product.
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Share alike from the text Not permitted: Share alike. Adaptations have to be licensed under the same license or one the license names as compatible.
License-wide duties
This license states no duties that apply to the work as a whole.
Clauses
Warranty disclaimer
EXCEPT AS EXPRESSLY SET FORTH IN THIS LICENSE, AND TO THE EXTENT PERMITTED BY LAW, NO CONTRIBUTOR SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Info
- Target asset types
- Software
- Region / jurisdiction
- Worldwide
- Validity
- Perpetual
- Source
- http://opensource.org/licenses/CATOSL-1.1
- Legal code
- http://opensource.org/licenses/CATOSL-1.1
- This description is published under
- https://dalicc.net/licenselibrary/CC-BY-4.0
- Publisher
- Computer Associates International, Inc. (CA)
- Attribution name
- Computer Associates International, Inc. (CA)
- SPDX identifier
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CATOSL-1.1on the SPDX license list - DALICC identifier
CATOSL-1.1
This record is published under CC BY 4.0. Credit it as: DALICC License Library, DALICC - Verein zur Förderung der Rechtssicherheit in der Datenbewirtschaftung, https://dalicc.net, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). The license it describes belongs to its publisher.
History
This license model has 2 versions. Version 2 is the one served today; every earlier version keeps its own address, so a conclusion drawn from one of them can still be checked against it.
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Version 2 current2026-09-24 Giray Havur
The content review of 2026-09-15 removed 1 prohibition and recorded the review state. Later changes brought it in line with its family and its text in the verification of 2026-09-15 and named the license the record itself is published under.
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5 changes
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added
dalicc:reviewStatus dalicc:ReviewedReview state Every record records how far it has come in the editorial workflow and when it was last checked against the legal text.
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added
dalicc:reviewedOn "2026-09-15"^^xsd:dateReview state Every record records how far it has come in the editorial workflow and when it was last checked against the legal text.
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removed
prohibition cc:ShareAlikeReview finding The license states that the Program and every Contribution are "governed by the terms of this License" and requires source availability for any distribution. Prohibiting cc:ShareAlike asserts the opposite. Removed.
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changed
dalicc:WarrantyDisclaimer "EXCEPT AS EXPRESSLY SET FORTH IN THIS LICENSE, AND TO THE EXTENT PERMITTED BY LAW, NO CONTRIBUTOR SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES."was
dalicc:WarrantyDisclaimer "EXCEPT AS EXPRESSLY SET FORTH IN THIS LICENSE, AND TO THE EXTENT PERMITTED BY LAW, NO CONTRIBUTOR SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. "Manual edit Library convention 14: the warranty and liability literals carried a padding space inside their quotation marks.
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added
dct:license <https://creativecommons.org/licenses/by/4.0/>Manual edit Every record is published under CC BY 4.0. cc:license names the record DALICC keeps of that licence; dct:license now names it by the address Creative Commons publishes it at, so that a consumer matching the canonical IRI finds it.
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Version 1
The version this model had before the content review of 2026-09-15.
Every change names the reason behind it: a finding of the content review, one of its library-wide decisions, the metadata that review wrote onto every record, or a hand edit. None of it is legal advice.
Nothing on this page is legal advice. What a license means is decided by its text; ask a legal advisor before you rely on it.