Project Summary
Qt is a cross-platform application and UI framework. Using Qt, you can write applications once and deploy them across many desktop and embedded operating systems without rewriting the source code.
In a Nutshell, Qt 4...
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took an estimated 1,509 years of effort (COCOMO model)
starting with its first commit in November, 2008
ending with its most recent commit almost 10 years ago
Quick Reference
GNU General Public License v3.0 only
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These details are provided for information only. No information here is legal advice and should not be used as such.
MIT
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 )
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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30 Day SummaryApr 24 2025 — May 24 2025
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12 Month SummaryMay 24 2024 — May 24 2025
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