The Authority SuiteRuck AuthorityKit AuthorityAperture AuthoritySprout AuthorityDrone AuthorityHouse Pet Authority
Compare two to four resources

Compare textile resources.

Review access, scope, source evidence, and limitations side by side before choosing what to inspect next.

Selected resources

4 resources selected.

Swipe the table sideways to inspect all 4 routes

Side-by-side evidence and decision metadata for selected textile resources.
Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveFree accountSwatchOnGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemoveFree downloadSeamly2DGlobalRemove
Decision fit
Primary jobFind patterns & fitChoose materialsFind patterns & fitFind patterns & fit
AreaPatterns & fitMaterialsPatterns & fitPatterns & fit
Best forSearching current and out-of-print sewing patternsSourcing swatches and low-MOQ fabric optionsAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidenceDigital pattern drafting
Know before usingCommunity 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.SwatchOn's supplier status, counts, and trust language describe its own marketplace and can change. They do not independently establish fibre identity, performance, certification validity, mill ownership, production capacity, colour continuity, delivery, duty, or commercial fit. Review samples, test data, current certificates, the contracting entity, order terms, and landed logistics before purchase.The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review.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.
Practical access
ForMakersApparel brandsApparel brandsBoth
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessFree accountFree accountOpen accessFree download
FormatCommunityMarketplaceStitch AuthoritySoftware
Source typeCommunity databaseCommercial marketplaceStitch AuthorityOpen-source project
Source and review
What the source establishesThreadloop'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.SwatchOn's current marketplace page exposes fabrics, trims, and prints, with swatch samples, in-stock catalogue colours, low-order-quantity options, and global logistics support. The page publishes operator-supplied marketplace and supplier counts and labels participating suppliers as verified partners.The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments.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.
Linked page reviewedJul 21, 2026Jul 21, 2026Jul 16, 2026Jul 21, 2026
Next review dueJan 17, 2027Jan 17, 2027Jul 16, 2027Jan 17, 2027
Inspect
How to compare

Use the rows to narrow your next check.

  1. Choose resources that could solve the same job.
  2. Eliminate access, scope, or jurisdiction mismatches.
  3. Read each limitation before following the source.
  4. Verify project-specific claims with the source or provider.