Project Summary
Umbraco is a .NET-based CMS+ that let's all people involved in creating and managing web applications easily collaborate and have a clear view of can be and needs to be done.
For developers:
Full .net 4.0 integration, webservices, extendable XSLT, the list goes on.
For designers:
Simple and flexible tools that makes it fun to be a website designer again. No more modules or templates, but complete freedom wrapped in web-standards bliss.
For end-users:
No more slow UIs or phonebook sized manuals. Your end-users will love the intuitive interface and the extensive featureset for publishing and managing content.
For professionals"
We've mixed the freedome of Open-source with commercial offerings that give professionals a greater confidence developing solutions on Umbraco.
In a Nutshell, Umbraco...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 12 years of effort (COCOMO model)
starting with its first commit in June, 2009
ending with its most recent commit 1 day ago
Quick Reference
MIT License
Permitted
Commercial Use
Modify
Distribute
Sub-License
Private Use
Forbidden
Hold Liable
Required
Include Copyright
Include License
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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there are over 3,000 projects on the Open Hub with security vulnerabilities reported against them
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check out hot projects on the Open Hub
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30 Day SummaryNov 13 2025 — Dec 13 2025
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12 Month SummaryDec 13 2024 — Dec 13 2025
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