Radiant is a no-fluff, open source content management system designed for small teams. It is similar to Textpattern or MovableType, but is a general purpose content management system.
Features
-An elegant user interface
-Flexible templating with layouts, snippets, page parts, and a custom tagging language
-A first-class extension/plugin system
-Simple user management and permissions
DotNetNuke is a web content management system based on Microsoft .NET. The Community Edition is open source.
DotNetNuke is a program that runs on Microsoft ASP.NET. It is also a framework, meaning, it is a program that is designed to be extended. One of the ways you extend the framework is to create modules. These modules are installed inside a DotNetNuke installation and when they run in that DotNetNuke installation they extend the framework to create a DotNetNuke website also called a portal.
Features
1)A rich-text editor
2)File management
3)Cloud-ready with MS Azure compatibility
4)Mobile API and basic mobile device detection
5)Core written in C#
6)Single installation, multiple portals
7)Social API (in DNN 6.2 and above)
8)Modern client-side Web tools like CSS 3, HTML 5 and JQuery
9)Bulk email
10)Robust security
11)Administration features like: security roles, protected content and site log
Refinery CMS, often shortened to Refinery, is an open source content management system written in Ruby as a Ruby on Rails web application with jQuery used as the JavaScript library. Refinery CMS supports Rails 3.2 and Rails 4.0 via 3.0.0.dev, still in development.
Features
Engine architecture
WYSIWYG content editing
Localisation (currently supports 29 languages [13])
Page management
Image and File management
Contact form and inquiry management
Search engine optimization (SEO)
Umbraco is an open source content management system (CMS) platform for publishing content on the World Wide Web and intranets. It is written in C# and deployed on Microsoft based infrastructure.
Umbraco is the choice of many organizations because of its no-cost, open-source licensing, its simplicity, and its unlimited potential.
Umbraco provides a full-featured web content management system that is easy to use, simple to customize, and robust enough to run the largest sites such as wired.co.uk and asp.net.
Umbraco is a free, open-source web cms built on the Microsoft .NET Framework.
It is easy to use, simple to understand, and is highly extensible using industry-standard languages and patterns such as HTML, CSS, jQuery, and C#.
Hippo CMS is an open source Java CMS for creating personalized experiences across all channels. Hippo's modular architecture and support for open standards make it the ideal solution for agile development and open integration.
Hippo CMS is a Java-based open source web content management platform. It uses modern web architectures, open standards and open source components throughout. In all layers of the architecture, open and extensible APIs are available for integrating Hippo into your existing application architecture.
The Hippo architecture is highly modular. This modular and clean architecture has several technical benefits such as ease of integration and great scalability, and also functional benefits such as content reuse.
Hippo CMS is a powerful, enterprise-class foundation to deliver outstanding Customer Experiences based on Enterprise Agility and Innovation Power. Hippo CMS is open source, 100% Java and convinces with its lean product architecture that is built for uptime, security and performance.
IT folks love Hippo because they can create new functionality quickly and can integrate with other systems in no-time. And it's just fun to work with the latest and coolest technology.
Hippo CMS is fully customizable through a GUI plugin architecture based on the Apache Wicket web application framework.
