Project Summary
WebKit is an open source web browser engine. WebKit is also the name of the Mac OS X system framework version of the engine that's used by Safari, Dashboard, Mail, and many other OS X applications. WebKit's HTML and JavaScript code began as a branch of the KHTML and KJS libraries from KDE.
In a Nutshell, WebKit...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 9,997 years of effort (COCOMO model)
starting with its first commit in August, 2001
ending with its most recent commit 1 day ago
Quick Reference
Apple WebKit BSD License
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These details are provided for information only. No information here is legal advice and should not be used as such.
BSD 2-clause "Simplified" License
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Commercial Use
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Include Copyright
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These details are provided for information only. No information here is legal advice and should not be used as such.
BSD 3-clause "New" or "Revised" License
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Commercial Use
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Use Trademarks
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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
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Commercial Use
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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.
Old Apple WebKit BSD License
Permitted
Forbidden
Required
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
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30 Day SummaryDec 30 2025 — Jan 29 2026
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12 Month SummaryJan 29 2025 — Jan 29 2026
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