Project Summary
Open source patternmaking design software.
Seamly2D and SeamlyMe enable the design, reuse, and remix of digital sewing patterns for creating custom-fit, boutique sized, and ready-to-wear sized clothing. Seamly2D and SeamlyMe are released under the GPLv3+ license as free and open-source software, downloadable from the Seamly website at https://seamly.net. Seamly2D users have the right to utilize, sell, share, and distribute their patterns in any way they choose.
In a Nutshell, Seamly2D...
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has a well established, mature codebase
maintained by a large development team
with increasing Y-O-Y commits -
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took an estimated 291 years of effort (COCOMO model)
starting with its first commit in June, 2013
ending with its most recent commit 10 days ago
Quick Reference
GNU General Public License v3.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Use Patent Claims
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
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30 Day SummaryJul 19 2026 — Aug 18 2026
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12 Month SummaryAug 18 2025 — Aug 18 2026
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