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| Decision field | Free downloadbluesign System Partner ListsGlobalRemove | Free accountFOURSOURCE Supplier NetworkGlobalRemove | Open accessKnitting Stitch LibraryGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Check standards | Source production | Learn techniques |
| Area | Materials | Production | Techniques & repair |
| Best for | Starting a bluesign-aligned supplier check | Searching global apparel and textile production capabilities | Learning or comparing knit structures |
| Know before using | Partner status is not a blanket product claim; use the current official list and confirm the exact facility, material, process, or chemical-input scope. | The company count is a changing platform claim. Search fields, profiles, certificates, locations, and account access do not independently verify the legal entity, factory ownership, capability, capacity, certificate validity or scope, compliance performance, delivery, or project fit. Confirm the site and subcontracting, credentials with issuers, samples, audits when appropriate, specifications, contracts, and commercial terms. | A foundational library, not yet an exhaustive stitch encyclopedia. |
| Practical access | |||
| For | Apparel brands | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global |
| Access | Free download | Free account | Open access |
| Format | Directory | Marketplace | Stitch Authority |
| Source type | Official registry | Commercial marketplace | Stitch Authority |
| Source and review | |||
| What the source establishes | bluesign publishes current system-partner lists and approved-input references that can support facility, material, chemical, dyeing, and finishing checks. | FOURSOURCE's current public network page presents an operator-reported global company count and country or territory search. It says logged-in users can narrow results by compliance certificates, product groups, fabric types, target groups, minimum order quantities, and other fields, with a free-trial and supplier sign-up route. | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. |
| Linked page reviewed | Jul 15, 2026 | Jul 21, 2026 | Jul 15, 2026 |
| Next review due | Oct 13, 2026 | Jan 17, 2027 | Jul 15, 2027 |
| Inspect | |||
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