Free Development & DevOps Software
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.
Racket
Racket started its life as a Scheme implementation, but has now grown into a general-purpose, multi-paradigm programming language and the world's first ecosystem for language-oriented programming. Racket designed to be a platform for programming language design and implementation where developers can create their own dream language.
Rebol
Rebol is a lightweight, cross-platform data exchange programming language. The language is designed by Carl Sassenrath and is suited for network communications and distributed computing. Rebol's unique simplistic design makes it a productive language that is loved by its users.
Eiffel
Eiffel is an free and open-source object-oriented programming language designed at Eiffel Software by Bertrand Meyer back in 1985. Bertrand Meyer had one goal in mind when he created the language, the goal of increasing the reliability of commercial software development. Today Eiffel comes with its own IDE (Integrated Development Environment) called EiffelStudio, the software can be used to write Eiffel code in a single user interface that includes a compiler, interpreter, debugger, browser, metrics tool, profiler, diagram and code inspector.
Pharo
Pharo is an open source dynamic and reflective language which is made by a community of more than 100 contributors. The language is isnpired by the programming language Smalltalk which was released back in the 1972. On top of that, Pharo offers several live programming features such as immediate object manipulation, live update and hot recompiling. The Pharo full stack is released under MIT License.