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Effective date: 5 April 2026
Last updated: 5 April 2026

1. Acknowledgements

PropOps Web incorporates open source software components developed and maintained by their respective authors and communities. PropOps Technologies Ltd gratefully acknowledges the contributions of these projects. This page provides the required licence notices and attributions for all open source software distributed within PropOps Web.

2. Licence Summary

The following licence types are used by the open source components included in PropOps Web:
LicenceSPDX IdentifierFull Text
MIT LicenseMITopensource.org/licenses/MIT
BSD 2-Clause LicenseBSD-2-Clauseopensource.org/licenses/BSD-2-Clause
BSD 3-Clause LicenseBSD-3-Clauseopensource.org/licenses/BSD-3-Clause
Apache License 2.0Apache-2.0apache.org/licenses/LICENSE-2.0
ISC LicenseISCopensource.org/licenses/ISC
GNU Lesser General Public License v3.0LGPL-3.0gnu.org/licenses/lgpl-3.0
Mozilla Public License 2.0MPL-2.0mozilla.org/en-US/MPL/2.0
SIL Open Font License 1.1OFL-1.1openfontlicense.org

3. JavaScript Dependencies

3.1 MIT License

The following JavaScript packages are distributed under the MIT License:
PackageVersionCopyright
Alpine.js3.x© Caleb Porzio
Autoprefixer10.x© Andrey Sitnik
Chart.js4.x© Chart.js Contributors
Cytoscape.js3.x© Cytoscape Consortium
cytoscape-dagre2.x© Cytoscape Consortium
cytoscape-popper4.x© Cytoscape Consortium
dagre0.8.x© Chris Olszewski
esbuild0.x© Evan Wallace
Flowbite4.x© Bergside Inc.
flowbite-typography1.x© Bergside Inc.
marked11.x© Christopher Jeffrey
Monaco Editor0.x© Microsoft Corporation
OverlayScrollbars2.x© Rene Haas (KingSora)
Plyr3.x© Sam Potts
PostCSS8.x© Andrey Sitnik
postcss-cli11.x© postcss Contributors
Tailwind CSS4.x© Tailwind Labs, Inc.
@tailwindcss/forms0.5.x© Tailwind Labs, Inc.
@tailwindcss/typography0.5.x© Tailwind Labs, Inc.
TipTap (core, extensions, starter-kit)3.x© Tiptap GmbH
Tippy.js6.x© atomiks
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.

3.2 Apache License 2.0

PackageVersionCopyright
PDF.js3.x© Mozilla Foundation
Video.js8.x© Brightcove, Inc.
vis-data8.x© vis.js Contributors
vis-network10.x© vis.js Contributors
Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at:https://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

3.3 BSD 2-Clause License

PackageVersionCopyright
@mapbox/mapbox-sdk0.16.x© Mapbox, Inc.
dotenv (Node.js)17.x© Scott Motte

3.4 LGPL-3.0 License

The following packages are distributed under the GNU Lesser General Public License v3.0. In accordance with the LGPL-3.0, PropOps Web uses these libraries in their unmodified form and links to them dynamically, preserving the end user’s ability to replace them with compatible versions.
PackageVersionCopyright
Simple DataTables10.x© Simple DataTables Contributors
diff-dom© diff-dom Contributors
The complete LGPL-3.0 licence text is available at gnu.org/licenses/lgpl-3.0.html.

3.5 SIL Open Font License 1.1

PackageVersionCopyright
Inter (via @fontsource/inter)5.x© Rasmus Andersson
The Inter typeface is licensed under the SIL Open Font License 1.1. This licence permits use, modification, and redistribution provided the font is not sold by itself. The full licence text is available at openfontlicense.org.

4. PHP Dependencies

4.1 MIT License

PackageVersionCopyright
getbrevo/brevo-php2.x© Brevo SA
guzzlehttp/guzzle7.x© Michael Dowling and GuzzleHTTP Contributors
guzzlehttp/promises2.x© Michael Dowling and GuzzleHTTP Contributors
guzzlehttp/psr72.x© Michael Dowling and GuzzleHTTP Contributors
minishlink/web-push10.x© Louis Lagrange
monolog/monolog2.x© Jordi Boggiano
ramsey/uuid4.x© Ben Ramsey
brick/math0.x© Benjamin Morel
web-token/jwt-library© Spomky Labs
spomky-labs/base64url© Spomky Labs
spomky-labs/pki-framework© Spomky Labs
symfony/deprecation-contracts© Fabien Potencier
symfony/polyfill-ctype© Fabien Potencier
symfony/polyfill-mbstring© Fabien Potencier
symfony/polyfill-php80© Fabien Potencier
symfony/polyfill-php83© Fabien Potencier
graham-campbell/result-type© Graham Campbell

4.2 BSD 3-Clause License

PackageVersionCopyright
vlucas/phpdotenv5.x© Vance Lucas
phpunit/phpunit9.x© Sebastian Bergmann
phpunit/php-code-coverage© Sebastian Bergmann
phpunit/php-file-iterator© Sebastian Bergmann
phpunit/php-invoker© Sebastian Bergmann
phpunit/php-text-template© Sebastian Bergmann
phpunit/php-timer© Sebastian Bergmann
squizlabs/php_codesniffer3.x© Squiz Pty Ltd
nikic/php-parser© Nikita Popov
sebastian/* (multiple packages)© Sebastian Bergmann
phar-io/manifest© Phar.io Contributors
phar-io/version© Phar.io Contributors
theseer/tokenizer© Arne Blankerts

4.3 Apache License 2.0

PackageVersionCopyright
phpoption/phpoption© Johannes M. Schmitt

4.4 MIT License (PSR Interfaces)

PackageCopyright
psr/http-message© PHP-FIG
psr/http-client© PHP-FIG
psr/http-factory© PHP-FIG
psr/log© PHP-FIG
psr/clock© PHP-FIG

5. Build Tools

The following open source tools are used during the build process and are not distributed within the PropOps Web Docker image:
ToolLicenceCopyright
PostCSSMIT© Andrey Sitnik
postcss-cliMIT© postcss Contributors
esbuildMIT© Evan Wallace
AutoprefixerMIT© Andrey Sitnik
LightningCSSMPL-2.0© Devon Govett
PHPStanMIT© Ondřej Mirtes

6. Special Licence Notices

6.1 GSAP (GreenSock Animation Platform)

GSAP is distributed under the GreenSock Standard “No Charge” License. This licence permits use in projects that do not charge end users a fee specifically for the use of GSAP. The full licence terms are available at gsap.com/standard-license.
ComponentVersionCopyright
gsap3.x© GreenSock, Inc.
ScrollTrigger3.x© GreenSock, Inc.

6.2 Mapbox GL JS

Mapbox GL JS is not open source. It is distributed under the Mapbox Terms of Service. Use of Mapbox GL JS within PropOps Web is subject to Mapbox’s own licensing terms, available at mapbox.com/legal/tos.

7. Obtaining Source Code

For any open source component distributed under a licence that requires source code availability (including LGPL-3.0), the corresponding source code can be obtained from the package’s public repository. Links to each project’s source repository are available through the package registries: If you require assistance obtaining source code for any component listed above, please contact support@propops.app.

8. Updates

This page is updated when PropOps Web adds, removes, or updates third-party open source dependencies. The version numbers listed reflect the major version series included at the time of the last update and may not correspond to the exact version in every release.