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| Decision field | Open accessGOTS Certified SuppliersGlobalRemove | Open accessHandweavers Guild of America ResourcesGlobalRemove | Open accessYarn Database EU Dyers and MakersEuropean UnionRemove | Free accountWoolmark Learning CentreGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Check standards | Learn techniques | Choose materials | Learn techniques |
| Area | Materials | Techniques & repair | Yarn | Techniques & repair |
| Best for | Checking GOTS certification records | Finding a weaving, spinning, or dyeing community | Finding independent EU yarn or fibre dyers with off-Ravelry purchase routes | Structured wool education |
| Know before using | A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase. | Coverage reflects affiliated guilds, submitted events, and participating professionals rather than every regional option. HGA states that its paid professional listings are supplied and updated by the professional and are not HGA endorsements. Confirm current contact details, teaching format, accessibility, price, skill level, and safeguarding or insurance needs directly. | It is one curator's intentionally selective, off-Ravelry-oriented database, inventories change, and paid supporters can receive rotating priority placement; verify availability, fibre claims, shipping, and terms directly. | This is Woolmark-operated education focused on wool, not a neutral comparison of all fibres or processing systems. A completion badge records coursework, not independent proof of production competence, product performance, environmental impact, or compliance. Confirm technical values and local requirements against current standards before production use. |
| Practical access | ||||
| For | Apparel brands | Makers | Makers | Both |
| Location or jurisdiction | Global | Global | European Union | Global |
| Access | Open access | Open access | Open access | Free account |
| Format | Directory | Directory | Directory | Reference |
| Source type | Official registry | Industry organization | Community database | Industry organization |
| Source and review | ||||
| What the source establishes | The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes. | The Handweavers Guild of America's current resources page links a searchable affiliate-guild directory, a paid professional-member directory and fiber-art resource guide, book reviews, a public event calendar, scholarships, a quarterly member magazine, and program and store information for weaving, spinning, dyeing, and related fiber arts. | The individually researched database offers free listings and sortable yarn, fibre, designer, editor, accessory, and location views; the EU page spans multiple countries and direct seller profiles. | The current Woolmark Learning Centre library publishes free account-based coursework with module counts, completion times, progress tracking, knowledge checks, and supporting resources. Its wool programs cover fibre science, raw-wool and yarn processing, dyeing and finishing, woven textiles, knitwear, product quality, and wastewater management for learners and facilitators. |
| Linked page reviewed | Jul 15, 2026 | Jul 21, 2026 | Jul 15, 2026 | Jul 21, 2026 |
| Next review due | Oct 13, 2026 | Jan 17, 2027 | Jan 11, 2027 | Jan 17, 2027 |
| Inspect | ||||
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