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Decision fieldOpen accessGOTS Certified SuppliersGlobalRemoveFree downloadSeamly2DGlobalRemoveOpen accessYarnSubGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemove
Decision fit
Primary jobCheck standardsFind patterns & fitChoose materialsFind patterns & fit
AreaMaterialsPatterns & fitYarnPatterns & fit
Best forChecking GOTS certification recordsDigital pattern draftingReplacing a discontinued or unavailable yarnSearching current and out-of-print sewing patterns
Know before usingA company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase.Patternmaking knowledge, controlled measurement files, production conventions, and sewn fit testing are still required. The software does not validate body measurements, ease, balance, grading rules, fabric behavior, construction, or product fit. The project currently labels its user wiki manual as needing updates, so confirm current commands and file behavior against the installed release and active support channels.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.
Practical access
ForApparel brandsBothMakersMakers
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessFree downloadOpen accessFree account
FormatDirectorySoftwareReferenceCommunity
Source typeOfficial registryOpen-source projectFirst-party platformCommunity database
Source and review
What the source establishesThe official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes.The maintained Seamly2D repository identifies the application as GPLv3+ open-source patternmaking software for Windows, macOS, and Linux. It reads multi-size measurement files for standardized sizes and individual measurement files for custom-fit work, publishes downloadable builds and releases, and links an active website and user forum.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.
Linked page reviewedJul 15, 2026Jul 21, 2026Jul 21, 2026Jul 21, 2026
Next review dueOct 13, 2026Jan 17, 2027Jan 17, 2027Jan 17, 2027
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