Live controls for classifying and blocking Search, Agent, and Training bots, alongside managed preference signals and monetization tools.
TollgateAlso: Technical blocking · Preference signalCollect · RetrieveWeb content
Access controlIt can control the protected access path, but cannot guarantee control of downstream copies or alternate routes.
Jul 01, 2026blog.cloudflare.comChecked Jul 15, 20263.8M+ domains on managed robots.txt · 1B+ HTTP 402 responses/day across Cloudflare customers A machine-readable licensing schema for clearly signaling reuse permissions and conditions (including payment or use restriction).
Formal licenseAlso: Preference signalCollect · Train · RetrieveWeb content
Legal termsPractical effect depends on applicable law, rights ownership, notice, and contract formation.
Dec 10, 2025rslstandard.orgChecked Jul 15, 20261,500+ endorsing organizations · supporters represent billions of web pages Creative Commons framework for communicating expectations and building governance infrastructure around AI use of shared knowledge.
Preference signalAlso: Protocol or standardCollect · Train · RetrieveMultimodal
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Internet Engineering Task Force is working on a standardized preference signal for AI agents and crawlers ("building blocks that allow for the expression of preferences about how content is collected and processed for Artificial Intelligence (AI) model development, deployment, and use.")
Preference signalCollect · Train · RetrieveWeb content
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Add subdomains to make content accessible to AI with blocking and monetization.
TollgateAlso: MarketplaceCollect · RetrieveText
Access controlIt can control the protected access path, but cannot guarantee control of downstream copies or alternate routes.
Dec 16, 2025tollbit.comChecked Jun 24, 20264,000+ premium publishers Rights-cleared book licensing platform for AI training, reference, and transformative use.
MarketplaceTrain · RetrieveText
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Community-centered dataset platform for sharing AI-relevant data under contributor-controlled licenses, access rules, and governance terms.
Governed data sharingAlso: Technical blockingTrain · Fine-tuneMultimodal
Governed sharingPractical force depends on participation, access rules, technical configuration, and governance after data is shared.
Registry of signed, attributable rights declarations for public-domain and openly licensed works, linked through content-derived identifiers.
Rights registryCollect · Train · RetrieveMultimodal
Registry infrastructurePractical force depends on reliable identity, accurate declarations, adoption, and downstream use of the registry.
Certification program for AI models and companies that meet stated consent and licensing criteria for training data.
CertificationTrainMultimodal
AttestationCertification provides an assessment or claim; it does not itself authorize, prevent, or enforce reuse.
Open-source protocol for privacy-preserving AI and analytics across distributed datasets without centralizing the underlying data.
Governed data sharingTrain · RetrieveMultimodal
Governed sharingPractical force depends on participation, access rules, technical configuration, and governance after data is shared.
Mar 28, 2026github.comChecked Jul 15, 2026No public adoption figure found Content Credentials-based preference system for asking supported generative AI models not to train on or use a creator's files.
Preference signalTrain · GenerateImages · Video
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Sep 02, 2025helpx.adobe.comChecked Jul 15, 2026No public adoption figure found Research-backed proposal for modular standard data licenses tailored to AI data sharing.
Formal licenseCollect · Train · Fine-tune · RetrieveMultimodal
Legal termsPractical effect depends on applicable law, rights ownership, notice, and contract formation.
Mar 17, 2025mlcommons.orgChecked Jun 24, 2026No public adoption figure found Enterprise anti-scraping product that detects and blocks persistent content scrapers, now positioned as part of broader AI and LLM bot management.
Technical blockingCollect · RetrieveWeb content
Technical controlIt can reduce access but may be bypassed and does not determine the legality of downstream use.
Apr 08, 2026akamai.comChecked Jun 24, 2026No public adoption figure found AI content registry that links content-derived identifiers and timestamps to declarer identity, TDM permissions, and licensing preferences.
Rights registryAlso: Formal licenseCollect · Train · RetrieveText
Registry infrastructurePractical force depends on reliable identity, accurate declarations, adoption, and downstream use of the registry.
Dec 15, 2025blog.amlet.aiChecked Jul 15, 2026No public adoption figure found OpenMined architecture for permissioned data contribution and attribution-based access in AI systems.
Protocol or standardRetrieveMultimodal
Protocol or standardPractical force depends on implementation, interoperability, adoption, and any legal or technical controls built around it.
Oct 06, 2025openmined.orgChecked Jun 24, 2026No public adoption figure found Contributor compensation and licensed visual training-data program tied to Bria's commercially safe generative AI stack.
MarketplaceTrainImages
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Sep 18, 2025bria.aiChecked Jun 24, 202630+ data partners Live collective licenses for internal AI reuse and external AI training, alongside announced transactional AI rights for copyrighted works.
Licensing collectiveAlso: Formal licenseTrain · Fine-tune · Retrieve · GenerateText
Contractual licensingCoverage and enforcement depend on participation, represented rights, and the resulting agreements.
May 06, 2026copyright.comChecked Jul 15, 2026No public adoption figure found UK collective licensing offer for AI model training, fine-tuning, and RAG over published text content.
Licensing collectiveAlso: Formal licenseTrain · Fine-tune · RetrieveText
Contractual licensingCoverage and enforcement depend on participation, represented rights, and the resulting agreements.
Mar 01, 2026pls.org.ukChecked Jun 24, 2026No public adoption figure found Machine-readable licensing layer that lets websites declare AI usage terms and pricing.
Formal licenseCollect · Train · RetrieveWeb content
Legal termsPractical effect depends on applicable law, rights ownership, notice, and contract formation.
Independent creative registry for recording AI opt-out requests, offering content licensing, and certifying human-created work.
Rights registryAlso: Marketplace · CertificationTrainMultimodal
Registry infrastructurePractical force depends on reliable identity, accurate declarations, adoption, and downstream use of the registry.
Jul 16, 2026credtent.orgChecked Jul 16, 2026thousands of creators Rights-cleared content marketplace and monetization layer for RAG, assistants, and other AI applications.
MarketplaceAlso: TollgateRetrieve · GenerateText
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Aug 18, 2025dappier.comChecked Jun 24, 2026No public adoption figure found Multimodal dataset supplier offering off-the-shelf and custom image, video, and audio training data through Zedge and GuruShots creator networks.
MarketplaceTrain · Fine-tuneImages · Video · Audio
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Oct 20, 2025accessnewswire.comChecked Jul 15, 2026approximately 30 million rights-cleared images Trade alliance of dataset licensors pushing for legal clarity, ethical sourcing, and scalable licensing markets for AI training data.
Governed data sharingTrain · Fine-tune · EvaluateMultimodal
Governed sharingPractical force depends on participation, access rules, technical configuration, and governance after data is shared.
Jul 09, 2026thedpa.aiChecked Jul 15, 202612 listed members Marketplace for ethically sourced, annotated datasets used to train and fine-tune AI systems.
MarketplaceTrain · Fine-tuneMultimodal
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Jan 27, 2026defined.aiChecked Jun 24, 2026several partners generate $1M+/year Platform NoAI label that emits HTML and HTTP signals stating artwork is not authorized for third-party AI-training datasets.
Preference signalCollect · TrainImages
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
robots.txt and HTTP crawler directives can express AI crawler preferences, including disallow rules, per-response X-Robots-Tag headers, and newer Content Signals for search, AI input, and AI training, plus an experimental content-use extension.
Preference signalCollect · Train · RetrieveWeb content
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Licensed Factiva news and business-information sources made available for enterprise GenAI products, APIs, and research workflows.
MarketplaceAlso: Formal licenseRetrieve · GenerateText
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Mar 16, 2026sec.govChecked Jul 15, 20268,000+ licensed sources for GenAI use A simple anti-scraping tool intended to protect datasets from basic crawlers/scrapers.
Technical blockingCollectMultimodal
Technical controlIt can reduce access but may be bypassed and does not determine the legality of downstream use.
Sep 15, 2025github.comChecked Jul 15, 2026No public adoption figure found Proposal for a commons-based infrastructure for large-scale access to digitized European books with conditional commercial access.
Governed data sharingCollect · TrainText
Governed sharingPractical force depends on participation, access rules, technical configuration, and governance after data is shared.
Nov 20, 2025openfuture.euChecked Jun 24, 2026No public adoption figure found Edge bot-management layer for detecting and blocking AI crawlers and fetchers that scrape website content.
Technical blockingCollect · RetrieveWeb content
Technical controlIt can reduce access but may be bypassed and does not determine the legality of downstream use.
Apr 16, 2026fastly.comChecked Jun 24, 2026No public adoption figure found Distributed language-model training approach that lets data owners contribute experts without sharing raw data or giving up opt-out control.
Governed data sharingTrainText
Governed sharingPractical force depends on participation, access rules, technical configuration, and governance after data is shared.
Jul 09, 2025allenai.orgChecked Jun 24, 2026No public adoption figure found Music licensing platform for rights-cleared AI training data and audio assets.
MarketplaceTrain · Fine-tuneMusic
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Jul 16, 2026gcx.coChecked Jul 16, 20264.4M+ hours of audio / 32B metadata text pairs / 3PB music data Licensed-content marketplace for the faith ecosystem, seeded with a pooled guarantee for AI assistants and search experiences.
MarketplaceTrain · Retrieve · GenerateText · Web content
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Jul 16, 2026docs.gloo.comChecked Jul 16, 2026$5M pooled guarantee Hugging Face Hub access-control feature requiring authenticated users to submit an access request before downloading; approval can be automatic or manual.
Technical blockingAlso: Governed data sharingCollect · Train · Fine-tuneMultimodal
Technical controlIt can reduce access but may be bypassed and does not determine the legality of downstream use.
Aug 18, 2025github.comChecked Jul 15, 2026No public adoption figure found Finalized v1 API and content-packaging framework through which already-licensed AI systems can request content; separate licensing and bot blocking are required.
Protocol or standardCollect · Train · RetrieveWeb content · Text
Protocol or standardPractical force depends on implementation, interoperability, adoption, and any legal or technical controls built around it.
Apr 28, 2026iabtechlab.comChecked Jul 15, 2026No public adoption figure found Working group standardizing cryptographic authentication for bots and AI agents on the web.
Protocol or standardCollect · RetrieveWeb content
Protocol or standardPractical force depends on implementation, interoperability, adoption, and any legal or technical controls built around it.
Embedded image and video metadata fields for expressing data-mining preferences, including prohibitions on generative-AI training.
Preference signalCollect · Train · Fine-tuneImages · Video
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Mar 30, 2026iptc.orgChecked Jul 15, 2026No public adoption figure found Pilot marketplace for licensing premium publisher content to AI products, initially tested in enterprise and consumer Microsoft Copilot.
MarketplaceRetrieve · GenerateText
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Opt-in program that gives NMA publishers access to AI content licensing opportunities with Bria and ProRata.
Licensing collectiveAlso: Formal licenseRetrieve · GenerateText · Web content
Contractual licensingCoverage and enforcement depend on participation, represented rights, and the resulting agreements.
A 50/50 revenue-share platform connecting publishers with AI companies, with 1,000+ publications and content creators listed as partners.
MarketplaceAlso: Licensing collective · TollgateRetrieve · GenerateText
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Sep 05, 2025businesswire.comChecked Jul 15, 20261,000+ publications and content creators AI training data platform for compliant exchange of proprietary, real-world datasets across sectors.
MarketplaceAlso: Governed data sharingTrain · Fine-tuneMultimodal
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Feb 12, 2026withprotege.aiChecked Jul 15, 2026hundreds of data-partner organizations Coalition pursuing licensing, compensation, and enforcement for publisher content used by AI systems.
Licensing collectiveTrain · RetrieveText
Contractual licensingCoverage and enforcement depend on participation, represented rights, and the resulting agreements.
Rights-cleared multimodal data licensing and model-support services for generative AI developers and enterprise partners.
MarketplaceAlso: Formal licenseTrain · Fine-tune · Evaluate · Retrieve · GenerateMultimodal · Images · Video · Music
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Participatory governance framework for communities to define conditions for data reuse, including AI training.
Governed data sharingCollect · Train · Fine-tune · RetrieveMultimodal
Governed sharingPractical force depends on participation, access rules, technical configuration, and governance after data is shared.
Opt-in music dataset licensing program that pays rights holders for AI training use of tracks and catalogs.
MarketplaceTrain · Fine-tuneMusic
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
May 06, 2026sourceaudio.comChecked Jun 24, 20263,000+ music catalogs · 14M+ opted-in songs · nearly $10M annual revenue from eight contracts A proposed machine-readable opt-out convention for commercial AI training via an `ai.txt` file.
Preference signalCollect · Train · RetrieveWeb content
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Aug 28, 2025spawning.aiChecked Jul 15, 2026No public adoption figure found Python package and API helpers for checking whether works are opted out before model training.
Protocol or standardCollect · Train · Fine-tuneMultimodal
Protocol or standardPractical force depends on implementation, interoperability, adoption, and any legal or technical controls built around it.
Jul 16, 2026pypi.orgChecked Jul 16, 2026No public adoption figure found Registry and opt-out workflow for marking works that should not be used in future AI training datasets.
Rights registryAlso: Preference signalCollect · TrainImages
Registry infrastructurePractical force depends on reliable identity, accurate declarations, adoption, and downstream use of the registry.
Publisher coalition building shared standards and licensing frameworks for responsible AI use of journalism.
Protocol or standardTrain · RetrieveText
Protocol or standardPractical force depends on implementation, interoperability, adoption, and any legal or technical controls built around it.
Jul 09, 2026spurcoalition.orgChecked Jul 15, 202636+ publishers and affiliate organizations Licensed access to Stack Overflow's developer knowledge corpus for AI training, fine-tuning, RAG, and agentic use cases.
MarketplaceAlso: Formal licenseTrain · Fine-tune · RetrieveText · Code
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
May 14, 2026stackoverflow.coChecked Jun 24, 202683M+ human-verified questions and answers Asset-level protocol for binding machine-readable TDM and AI-training preferences to digital works.
Preference signalAlso: Protocol or standardCollect · Train · Fine-tuneMultimodal
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Nov 04, 2025docs.tdmai.orgChecked Jun 24, 2026No public adoption figure found W3C Community Group report for expressing text and data mining rights reservations and policy links, designed to support the EU DSM Directive's Article 4 mechanism.
Preference signalAlso: Formal licenseCollect · TrainWeb content
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Oct 01, 2025w3.orgChecked Jul 15, 2026No public adoption figure found Local Contexts labels that let Indigenous communities express culturally specific conditions for access and reuse of knowledge and data.
Preference signalCollect · Retrieve · TrainMultimodal
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Marketplace and sourcing network for licensed, non-public real-world datasets for AI model training.
MarketplaceAlso: Formal licenseTrain · Fine-tune · EvaluateMultimodal · Video · Audio · Text
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Apr 28, 2026streetinsider.comChecked Jul 15, 20268M+ licensed video hours; 4M audio hours; billions of words; plus gaming, enterprise workflow, and robotics data · $20M+ paid to content owners Publisher-oriented trust file that can also declare whether AI training is allowed through a machine-readable `datatrainingallowed=` field.
Preference signalAlso: Protocol or standardTrainWeb content
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Jul 16, 2026journallist.netChecked Jul 16, 2026about 3,000 participating publishers Proposed AT Protocol mechanism for users to declare data-reuse preferences such as generative-AI training.
Preference signalCollect · Train · RetrieveMultimodal
Voluntary signalIt only affects actors that detect and honor the signal; it does not itself prevent reuse.
Mar 08, 2025github.comChecked Jun 24, 2026No public adoption figure found Marketplace for rights-managed visual and biometric datasets tailored to AI training and evaluation.
MarketplaceTrain · Fine-tune · EvaluateImages · Video
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Marketplace connecting rightsholders and accredited AI developers for governed, rights-cleared multimodal datasets.
MarketplaceAlso: Formal licenseTrain · Fine-tuneMultimodal · Video · Audio · Images
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Mar 10, 2026nasdaq.comChecked Jul 15, 2026No public adoption figure found Platform for structuring, licensing, delivering, and tracking professional video datasets for AI model training.
MarketplaceAlso: Formal licenseTrain · Fine-tuneVideo
Contractual accessTerms govern participating transactions; they do not control copies obtained elsewhere.
Feb 23, 2026nasdaq.comChecked Jun 24, 202620+ studios and content owners · 1M+ hours of professional video content represented Enterprise-grade APIs and structured dumps for Wikipedia and sister projects, designed for large-scale reuse in AI, search, and knowledge graphs.
Governed data sharingRetrieve · TrainText · Structured data
Governed sharingPractical force depends on participation, access rules, technical configuration, and governance after data is shared.
Jul 09, 2026enterprise.wikimedia.comChecked Jul 15, 202610+ announced partners · 920+ datasets / 300M+ unique project pages