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Decision fieldFree downloadSeamly2DGlobalRemoveOpen accessGOTS Certified SuppliersGlobalRemoveOpen accessYarnSubGlobalRemoveFree + paidCommon ObjectiveGlobalRemove
Decision fit
Primary jobFind patterns & fitCheck standardsChoose materialsSource production
AreaPatterns & fitMaterialsYarnProduction
Best forDigital pattern draftingChecking GOTS certification recordsReplacing a discontinued or unavailable yarnFinding sustainability-focused suppliers and guidance
Know before usingPatternmaking 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 company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase.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.A profile, match, uploaded credential, training credit, award, or platform ranking is not independent certification of a supplier or proof of current capability, performance, impact, capacity, or project fit. The platform's own ranking inputs and paid visibility affect discovery. Verify credentials with the issuer and check the legal entity, production site, claims, samples, references, terms, and compliance directly.
Practical access
ForBothApparel brandsMakersApparel brands
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessFree downloadOpen accessOpen accessFree + paid
FormatSoftwareDirectoryReferenceMarketplace
Source typeOpen-source projectOfficial registryFirst-party platformCommercial marketplace
Source and review
What the source establishesThe 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.The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes.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.Common Objective currently offers free individual and business profiles, personalised matches, supplier and content search, and limited monthly connection requests. Paid tiers unlock unlimited connections, additional content, training credits, and the CO Create sourcing workflow. Businesses enter their own profile information and upload certification or membership evidence; profile completeness, sustainability material, training credits, awards, and paid capabilities can influence visibility or ranking.
Linked page reviewedJul 21, 2026Jul 15, 2026Jul 21, 2026Jul 21, 2026
Next review dueJan 17, 2027Oct 13, 2026Jan 17, 2027Jan 17, 2027
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