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| Decision field | Open accessYarnSubGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessKnitting Stitch LibraryGlobalRemove | Free accountFOURSOURCE Supplier NetworkGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Choose materials | Find patterns & fit | Learn techniques | Source production |
| Area | Yarn | Patterns & fit | Techniques & repair | Production |
| Best for | Replacing a discontinued or unavailable yarn | Searching current and out-of-print sewing patterns | Learning or comparing knit structures | Searching global apparel and textile production capabilities |
| Know before using | A suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Yarn records can be incomplete or wrong, prices and availability vary by market, and the site uses affiliate links. Confirm the required gauge, total length, fibre behavior, construction, care, color, dye lot, accessibility, and seller terms, then make and assess a representative swatch before committing. | Community members add and quality-control the records, so confirm sizing, measurements, fabric suggestions, format, availability, errata, license, and purchase terms with the designer or publisher. Adding an entry to a stash does not provide the pattern files. Saved searches and private PDF storage are paid Plus features, and a listing or review does not establish pattern accuracy or fit. | A foundational library, not yet an exhaustive stitch encyclopedia. | 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. |
| Practical access | ||||
| For | Makers | Makers | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Open access | Free account | Open access | Free account |
| Format | Reference | Community | Stitch Authority | Marketplace |
| Source type | First-party platform | Community database | Stitch Authority | Commercial marketplace |
| Source and review | ||||
| What the source establishes | YarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggested replacements, and each yarn page provides a route to report source-data problems. | Threadloop's official guide describes an independent, fully crowdsourced database covering available and out-of-print sewing patterns. Its search supports pattern type, fabric type, age group, body type, cup size, level, format, file features, language, measurements, availability, and other filters; members can also track a stash, wishlist, projects, reviews, and discussions. | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. | 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. |
| Linked page reviewed | Jul 21, 2026 | Jul 21, 2026 | Jul 15, 2026 | Jul 21, 2026 |
| Next review due | Jan 17, 2027 | Jan 17, 2027 | Jul 15, 2027 | Jan 17, 2027 |
| Inspect | ||||
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