CLICK-WRAP END USER LICENCE AGREEMENT
Last updated May 26, 2026
AGREEMENT TO OUR LEGAL TERMS
This end user licence agreement (EULA) is a legal agreement between Evil Works LTD, a company registered in England and Wales with company number 16224577 whose registered office is at The Shipping Building, The Old Vinyl Factory, Blyth Road, Hayes, London, United Kingdom, UB3 1HA (EWL, we, us or our), and the person who accesses or uses the PUFF web-based platform (User, you or your). If you access or use the Platform on behalf of an organisation, that organisation is also bound by this EULA and you confirm that you have authority to bind it.
By ticking the checkbox, clicking the “I agree” button, creating an account, accessing the Platform or continuing to use the Platform after this EULA is presented to you, you agree to be bound by this EULA.
This EULA is intended to be accepted electronically. No handwritten signature is required.
1. Definitions and interpretation
1.1 Account means the account created by or for a User to access the Platform.
1.2 Applicable Law means all applicable laws, statutes, regulations, regulatory requirements, sanctions regimes, export control laws and legally binding codes of practice.
1.3 Beta means the beta, trial, evaluation or pre-release version of the Platform made available by EWL from time to time.
1.4 Confidential Information means information relating to EWL, the Platform, the software, source code, object code, architecture, models, algorithms, interfaces, designs, know-how, security measures, business plans and other non-public information disclosed or made available to you through or in connection with the Platform.
1.5 Customer means the organisation on whose behalf a User accesses or uses the Platform, if applicable.
1.6 Documentation means any user guides, technical documentation, release notes, support materials and other documentation made available by EWL in relation to the Platform.
1.7 Feedback means any ideas, suggestions, bug reports, enhancement requests, comments, test results or other feedback provided to EWL in relation to the Platform.
1.8 Platform means the PUFF web-based software development platform and related online services, functionality, Documentation, interfaces, models and materials made available by EWL.
1.9 User Content means any data, datasets, code, prompts, inputs, files, outputs, results, information or other materials uploaded, submitted, generated, processed, stored or transmitted by or on behalf of you through the Platform.
1.10 References to including, include and in particular are illustrative and do not limit the generality of the surrounding words.
1.11 If you are a consumer, nothing in this EULA is intended to exclude or restrict your mandatory statutory rights. If you are not a consumer, you agree that the Platform is provided for business, professional, evaluation and beta-testing purposes only.
2. Platform and beta status
2.1 The Platform is a web-based software development tool aimed at data scientists for data science modelling and data analysis. Users may upload permitted data, clean and PUFF Click-wrap EULA [Evil Works LTD] Page 3 of 9 transform data and create models based on that data using standard data science techniques.
2.2 The Platform is strictly web-based. EWL does not grant you any right to install desktop, mobile or other client-side software, except to the extent that browser-delivered code is temporarily loaded as part of ordinary web access to the Platform.
2.3 The Platform is currently made available as a Beta. It is not a finished production service. It may contain bugs, errors, defects, incomplete functionality, limited compute capacity and other limitations. During the Beta, users are expected to upload data via CSV only and export functionality may not be available.
2.4 EWL may modify, suspend, withdraw, reset, restrict or discontinue all or any part of the Beta at any time, including to manage capacity, test functionality, fix defects, protect security, comply with law or prepare for commercial launch.
2.5 Any future paid tiers, subscriptions, enterprise licences, service levels, payment terms, renewals, cancellations, refunds and taxes will be addressed in separate terms, website terms, order forms or subscription terms made available by EWL.
3. Eligibility, accounts and click-wrap acceptance
3.1 The Platform may be accessed by individuals, businesses, employees, contractors, administrators, guests and other categories of user approved by EWL, provided that each User creates an Account and accepts this EULA.
3.2 If you access or use the Platform for a Customer, you warrant that you are authorised to do so and that you have authority to bind the Customer to this EULA. The Customer is responsible for all use of the Platform by its Users.
3.3 The EULA may be accepted by an individual User, by a Customer organisation or by both. EWL may require separate or additional acceptance steps for administrators, internal testers, enterprise users or other users with elevated access rights.
3.4 You must provide accurate, current and complete registration information, keep your Account credentials secure, not share your Account with anyone else and notify EWL promptly if you suspect any unauthorised access or security incident.
3.5 EWL may record evidence of acceptance of this EULA, including the version accepted, date and time of acceptance, Account details, IP address and other technical logs.
4. Licence grant and permitted use
4.1 Subject to your compliance with this EULA, EWL grants you a limited, non-exclusive, non- transferable, non-sublicensable and revocable licence to access and use the Platform during the Beta for evaluation and beta-testing purposes only.
4.2 You may use the Platform only through an Account created by or for you, only in accordance with this EULA, the Documentation, any instructions displayed within the Platform and any applicable technical limits notified by EWL.
4.3 You must not use the Platform for production use, safety-critical use, regulated decision-making, live operational dependency, customer-facing service delivery or any purpose for which interruption, inaccuracy, loss of data or incorrect output could reasonably be expected to cause material harm.
4.4 The current Beta storage limit is one (1) TB per User, unless EWL agrees otherwise in writing or configures a different limit for your Account.
4.5 You may retain and use outputs generated by the Platform from your permitted input files, subject to this EULA and the licence, ownership and legal status of the underlying User Content, third-party materials and public datasets involved.
4.6 EWL reserves all rights not expressly granted in this EULA. PUFF Click-wrap EULA [Evil Works LTD] Page 4 of 9
5. User Content and data restrictions
5.1 You are responsible for all User Content and for ensuring that you have all rights, licences, permissions and consents required to upload, submit, process, store, transmit and use User Content through the Platform.
5.2 During the Beta, you must not upload, submit, process, store or transmit personal data, confidential business data, code repositories, credentials, authentication keys, passwords, production logs, secret keys, regulated data, pirated data or data that you are not legally entitled to use.
5.3 During the Beta, permitted User Content is limited to synthetic data, test data, public data and other non-confidential, non-personal data that you are lawfully entitled to use and process through the Platform.
5.4 You must accurately record, as metadata for each uploaded file where the Platform enables this, the intended licensing status and rights position for that file, including whether the file is public domain, copyleft, copyright-protected or subject to any other relevant licence terms. You must not rely on inference, omission or default assumptions about licensing status.
5.5 EWL may reject, quarantine, delete, disable access to or remove any User Content that EWL reasonably believes breaches this EULA, Applicable Law, third-party rights, technical limits or the integrity or security of the Platform.
5.6 You acknowledge that the Platform may connect to third-party systems, databases, APIs, cloud services, repositories or data sources. Your use of those third-party services, datasets or materials may be subject to separate third-party terms and licences.
6. Licence to User Content and data handling
6.1 As between you and EWL, you retain ownership of your User Content, subject to any third- party rights and any licence status recorded by you or applicable to the relevant data, code, files, datasets, outputs or other materials.
6.2 You grant EWL a non-exclusive, worldwide, royalty-free licence to host, store, copy, transmit, display, process, analyse, transform and otherwise use User Content to provide, operate, test, secure, troubleshoot, improve and support the Platform and the Beta.
6.3 EWL may host User Content on its servers during the Beta. When the Beta closes, EWL may delete User Content and close Accounts, unless EWL offers and you complete an opt- in process for retention or migration.
6.4 EWL may create, use, retain and commercialise anonymised, aggregated, statistical and usage data derived from use of the Platform, provided that such data does not identify you as an individual or disclose your non-public User Content.
6.5 You are responsible for keeping independent backups of User Content and outputs. EWL is not responsible for preserving or restoring User Content or outputs during or after the Beta.
7. Intellectual property rights
7.1 EWL and its licensors own and retain all rights, title and interest in and to the Platform, including all software, source code, object code, browser-delivered code, algorithms, models, interfaces, designs, databases, Documentation, know-how, trade marks, service marks, logos, trade names and all related intellectual property rights.
7.2 Except for the limited licence expressly granted in this EULA, nothing transfers or assigns to you any intellectual property rights in the Platform or any EWL materials.
7.3 The Platform may include or interoperate with open source software, third-party software, public datasets and third-party datasets. Those materials remain subject to their own PUFF Click-wrap EULA [Evil Works LTD] Page 5 of 9 licence terms, notices and acknowledgement requirements. This EULA does not override any open source or third-party licence that applies to those materials.
7.4 Where EWL hosts datasets with acknowledgement requirements, EWL may carry those acknowledgement requirements as metadata and may display or otherwise make them available through the Platform.
7.5 You must not remove, obscure or alter any copyright notice, licence notice, trade mark notice, proprietary rights notice or other rights-management information displayed in or made available through the Platform.
8. Feedback
8.1 You may provide Feedback to EWL, including through EWL’s public Discord support channel or other support routes notified by EWL.
8.2 You grant EWL a perpetual, irrevocable, worldwide, royalty-free, fully paid-up, transferable and sublicensable licence to use, copy, modify, disclose, commercialise and otherwise exploit Feedback for any purpose without restriction, attribution, accounting or payment to you.
8.3 EWL is not required to use, respond to, implement or keep confidential any Feedback.
9. Acceptable use and restrictions
9.1 use the Platform unlawfully, fraudulently, deceptively or in breach of Applicable Law;
9.2 upload, process or otherwise use personal data, confidential business data, credentials, production logs, code repositories, pirated data or other prohibited data during the Beta;
9.3 copy, modify, adapt, translate, create derivative works from, distribute, sell, rent, lease, lend, sublicense, transfer or otherwise exploit the Platform except as expressly permitted by this EULA;
9.4 reverse engineer, decompile, disassemble, attempt to derive source code from, inspect or analyse browser-delivered code for the purpose of creating a competing product, or otherwise circumvent technical restrictions, except to the limited extent that such restriction is prohibited by Applicable Law;
9.5 scrape, data mine, crawl, harvest, extract, mirror, frame or systematically collect Platform content, datasets, outputs, logs or metadata except through functionality expressly provided by EWL;
9.6 use the Platform to build, train, benchmark, validate, improve or support a competing product, model, tool, dataset, platform or service;
9.7 conduct penetration testing, vulnerability scanning, load testing, security testing, stress testing or benchmarking without EWL’s prior written consent;
9.8 introduce malware, viruses, worms, logic bombs, malicious code or harmful content;
9.9 attempt to gain unauthorised access to the Platform, accounts, systems, networks, data, APIs or infrastructure;
9.10 interfere with, overload, disrupt, degrade or deny service to the Platform or any related system;
9.11 circumvent authentication, authorisation, access-control, storage, usage, rate-limit or security mechanisms;
9.12 misrepresent the origin, rights status, licence status or legality of User Content;
9.13 use the Platform for high-risk, regulated, safety-critical, emergency, medical, legal, financial, employment, credit, insurance or other decision-making where incorrect or unavailable outputs could cause harm; PUFF Click-wrap EULA [Evil Works LTD] Page 6 of 9
9.14 use the Platform to infringe third-party rights, confidentiality obligations or licence terms; or
9.15 authorise, assist, encourage or enable any other person to do any of the above.
10. Support, service levels and availability
10.1 During the Beta, EWL may provide support, onboarding information, bug-fix communications, documentation and other assistance through its public Discord channel or other channels notified by EWL.
10.2 Support is provided on a best-efforts basis only. EWL does not commit to any response times, resolution times, maintenance windows, uptime, availability, support hours, service credits or service levels unless expressly agreed in a separate written agreement signed by EWL.
10.3 EWL may apply updates, fixes, changes, resets, restrictions or removals to the Platform at any time without notice where EWL considers this appropriate for Beta operation, testing, security, maintenance, legal compliance, capacity management or product development.
11. Confidentiality
11.1 You must keep EWL’s Confidential Information confidential and must not use or disclose it except as necessary to use the Platform in accordance with this EULA.
11.2 The confidentiality obligation does not apply to information that you can demonstrate was lawfully known to you before disclosure, is or becomes public other than through breach of this EULA, is lawfully received from a third party without confidentiality obligations, or is independently developed without use of EWL’s Confidential Information.
11.3 You may disclose EWL’s Confidential Information to the extent required by law, court order or regulator, provided that you give EWL prompt notice where legally permitted and take reasonable steps to limit the disclosure.
12. Privacy, security and hosting
12.1 EWL does not intend the Platform to process personal data during the Beta. You must not upload or submit personal data to the Platform.
12.2 EWL may provide or update a privacy notice, cookie notice, data processing terms, security schedule or other compliance documentation separately. Those documents do not reduce your obligations under this EULA unless they expressly say so.
12.3 User Content and related Platform data may be stored in DigitalOcean cloud infrastructure, including in the AMS3 Amsterdam data centre, and may be transferred to other locations as needed for processing, support, security, testing, backup or operation of the Platform.
12.4 You acknowledge that no online service is completely secure and that the Beta may have untested or incomplete security controls. You must use appropriate safeguards, avoid uploading prohibited data and promptly report suspected vulnerabilities or incidents to EWL through the notified support channel.
13. Outputs and reliance
13.1 The Platform may generate outputs, reports, code, analytics, test results, model outputs, analysis or recommendations. During the Beta, all such outputs are for evaluation and testing only.
13.2 You are solely responsible for reviewing, validating, testing and deciding whether to use any outputs. You must not rely on outputs without independent verification and appropriate professional, technical or domain-specific review. PUFF Click-wrap EULA [Evil Works LTD] Page 7 of 9
13.3 EWL does not warrant that outputs will be accurate, complete, current, secure, lawful, non-infringing, reproducible, suitable for production use or suitable for any business, personal, technical, scientific, financial, legal or other purpose.
14. Warranties and disclaimers
14.1 The Platform is provided on an “as is”, “as available” and Beta basis. To the maximum extent permitted by law, EWL excludes all warranties, representations, conditions and terms, whether express, implied, statutory or otherwise, including any warranties of satisfactory quality, fitness for a particular purpose, non-infringement, accuracy, uninterrupted availability, error-free operation, security, compatibility, performance and suitability for production use.
14.2 EWL does not warrant that the Platform will meet your requirements, achieve any intended results, be compatible with your systems or data, operate without interruption, be secure or error-free, preserve User Content, or be free from bugs, vulnerabilities, malware or harmful components.
14.3 Where you are a consumer, the exclusions in this clause apply only to the extent permitted by law and do not affect rights that cannot lawfully be excluded or restricted.
15. Liability
15.1 Nothing in this EULA excludes or limits any liability that cannot lawfully be excluded or limited, including liability for death or personal injury caused by negligence, fraud, fraudulent misrepresentation, wilful misconduct, or any liability that cannot be excluded or restricted under applicable consumer, digital content or services legislation.
15.2 Subject to clause 15.1 and to the maximum extent permitted by law, EWL shall:
15.2.1 not be liable for any loss of profits, revenue, sales, business, contracts, opportunity, anticipated savings, goodwill, reputation, data, User Content, outputs, business interruption, wasted expenditure or any indirect, special, incidental, punitive or consequential loss or damage; or
15.2.2 have no liability arising out of or in connection with the Beta, the Platform, outputs, User Content, Account closure, data deletion, limited compute capacity, interrupted availability, errors, defects, security issues, lack of export functionality, third-party systems or your reliance on outputs.
15.3 If any liability cannot lawfully be excluded but may be limited, EWL’s total aggregate liability arising out of or in connection with this EULA, the Platform and the Beta shall not exceed the greater of: (a) the total fees actually paid by you to EWL for the Platform in the twelve (12) months before the event giving rise to the claim; and (b) £100.
15.4 The limits and exclusions in this clause apply whether the claim arises in contract, tort including negligence, breach of statutory duty, misrepresentation, restitution or otherwise, and whether or not the relevant loss was foreseeable or EWL was advised of the possibility of such loss.
15.5 You acknowledge that the Platform is made available as a no-charge or pre- commercial Beta, that it is not intended for production use, and that the exclusions and limitations in this EULA are reasonable in that context.
16. Suspension and termination
16.1 EWL may suspend, restrict or terminate your access to the Platform, any Account or any User Content immediately if EWL reasonably believes that: (a) you have breached this EULA; (b) your use creates a security, legal, operational, reputational or technical risk, is unlawful, infringes third-party rights, creates excessive load or exceeds technical limits; (d) suspension or termination is needed for Beta changes, maintenance, testing, capacity PUFF Click-wrap EULA [Evil Works LTD] Page 8 of 9 management or product development; (e) EWL is required or reasonably advised to do so by law, regulator, court order, hosting provider or other third-party service provider.
16.2 You may stop using the Platform and request closure of your Account at any time by following the process notified by EWL or contacting EWL through the notified support channel.
16.3 EWL may close the Beta at any time. When the Beta closes, EWL may remove all User Content and close Accounts, unless you opt in to any retention, migration or continued access process that EWL chooses to offer.
16.4 On termination or expiry of this EULA or closure of your Account, your right to access and use the Platform ends immediately and you must stop all use of the Platform.
16.5 Clauses concerning definitions, intellectual property, User Content licences, anonymised and aggregated data, Feedback, restrictions, confidentiality, disclaimers, liability, termination consequences, governing law and any other provisions intended by their nature to survive shall survive termination or expiry.
17. Compliance
17.1 You must comply with all Applicable Law in connection with your access to and use of the Platform, including laws relating to intellectual property, confidentiality, privacy, data protection, export controls, sanctions, anti-bribery and corruption, anti-slavery, tax, accessibility and applicable industry-specific requirements.
17.2 You must not access or use the Platform in or for the benefit of any territory, person, entity or activity that is subject to applicable sanctions or export restrictions, or where such use would cause EWL to breach Applicable Law.
17.3 You must not offer, promise, give, request, receive or accept any bribe or improper advantage in connection with the Platform or this EULA.
17.4 No territories are excluded by EWL as a general policy as at the date of this EULA, but EWL may restrict access from any territory where required or prudent for legal, security, operational or commercial reasons.
18. Changes to this EULA
18.1 EWL may update this EULA from time to time, including during the Beta and in preparation for commercial launch.
18.2 Where EWL makes material changes, EWL may require you to accept the updated EULA by checkbox, “I agree” button or other click-wrap mechanism before continuing to access or use the Platform.
18.3 If you do not agree to an updated EULA, you must stop using the Platform.
19. General
19.1 You must not assign, transfer, subcontract, charge or otherwise deal with any of your rights or obligations under this EULA without EWL’s prior written consent. EWL may assign, transfer, subcontract or novate this EULA in connection with a reorganisation, merger, sale, investment, outsourcing, transfer of the Platform or other business transaction.
19.2 If any provision of this EULA is invalid, unlawful or unenforceable, it shall be deemed modified to the minimum extent necessary to make it valid, lawful and enforceable. If modification is not possible, the provision shall be deemed deleted and the remaining provisions shall continue in force.
19.3 No failure or delay by EWL to exercise any right or remedy shall operate as a waiver of it. PUFF Click-wrap EULA [Evil Works LTD] Page 9 of 9
19.4 This EULA constitutes the entire agreement between you and EWL in relation to your access to and use of the Platform during the Beta, except where EWL and a Customer enter into a separate written agreement that expressly overrides this EULA.
19.5 A person who is not a party to this EULA has no rights under the Contracts (Rights of Third Parties) Act 1999 to enforce any term of this EULA.
19.6 Notices to EWL should be sent to the contact details notified by EWL from time to time, including through the Platform, website, support channel or legal contact address. EWL may give notices to you through the Platform, by email, through your Account or by posting an update to the Platform.
20. Governing law and jurisdiction
20.1 This EULA and any dispute or claim arising out of or in connection with it, its subject matter or formation, including non-contractual disputes or claims, shall be governed by and construed in accordance with the law of England and Wales.
20.2 Subject to any mandatory rights that a consumer may have under Applicable Law, the courts of England and Wales shall have exclusive jurisdiction to settle any dispute or claim arising out of or in connection with this EULA, its subject matter or formation, including non-contractual disputes or claims.