Open Source Development & DevOps Software
Kotti CMS
Kotti is a high-level, Pythonic web application framework. It includes an extensible Content Management System called the Kotti CMS, offering all the features you would expect from a modern CMS. Kotti is built on top of a number of best-of-breed software components, notably Pyramid, SQLAlchemy, and Twitter Bootstrap.
Wagtail
Wagtail is a free and open-source CMS built on-top of Django and Python. The CMS is built by developers and for developers and provides a configuration-less solution to content management. Wagtail plays nicely with your existing tech, especially if that stack utilze Python and the Django web framework. Wagtail can be installed as a package in existing Django application and extends the Django Admin to be more suited for content management.
ExpressionEngine
ExpressionEngine is a flexible, feature-rich content management platform that empowers hundreds of thousands of individuals and organizations around the world to easily manage their web site. ExpressionEngine has a large community of developers that make add-ons that extend the system capability. With ExpressionEngine add-ons, no matter the task, you'll have a solution.
CMS Made Simple
CMS Made Simple is a free and open-source content management system that offers an easy to use interface for end users, while maintaining a powerful backend for developers. CMS Made Simple is written in PHP and got an extensive API and custom modules. The CMS also utilize the Smarty templating engine that can be used to customize sites with HTML, CSS and PHP.
PyroCMS
PyroCMS is a free and open-source Content Management System written in PHP on top the web development framework Laravel.
Drupal
Drupal is a free and open-source CMS written in PHP. Drupal is used for creating website for businesses, political parties and governments. The CMS currently powers 2% of all websites on the internet.
Pangea CMS
Pangea CMS is a powerful content management system designed for journalists. Pangea CMS provides a platform for quality and balanced journalism in 57 languages across 200 countries and territories around the world.
Hugo
Hugo is one of the most popular open-source static site generators. With its amazing speed and flexibility, Hugo makes building websites fun again. Hugo is the fastest tool of its kind, it generates pages at <1 ms per page, the average site builds in less than a second. Hugo also supports unlimited content types, taxonomies, menus, dynamic API-driven content, and more, all without plugins. Hugo is written in Go and released fully free and open-source under the Apache-2.0 License.
Tiki Wiki CMS Groupware
Tiki Wiki CMS Groupware is a free and open-source content management system and Wiki software. Tiki has been downloaded over a million times by businesses, governments, non-profits and individuals worldwide to take advantage of its flexibility and customizability to deliver a broad range of web applications and wikis.
C
C is a free and open-source general-purpose, procedural programming language. The language supports structured programming, lexical variable scope, and recursion, with a static type system. By design, C provides constructs that map efficiently to typical machine instructions. C was first created and released in 1972 at Bell Labs by Dennis Ritchie, today C is used in systems where you need absolute control over memory management such as OS kernels and other mission critical software.