PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE,...

Jekyll is a simple, blog aware, static site generator. It takes a template directory (representing the raw form of a website), runs it through and Liquid converters, and spits out a complete, static website suitable...

Octopress is a framework designed by Brandon Mathis for Jekyll, the blog aware static site generator powering Github Pages. To start blogging with Jekyll, you have to write your own HTML templates, CSS, Javascripts and...

The Old Reader is a web based RSS reader, something like Google Reader. Import existing subscriptions, find Facebook friends and more.

OpenSesame is a graphical, open-source experiment builder for the social sciences. It sports a modern and intuitive user interface that allows you to build complex experiments with a minimum of effort. With OpenSesame...

Leaflet is a modern open-source JavaScript library for mobile-friendly interactive maps. It is developed by Vladimir Agafonkin with a team of dedicated contributors. Weighing just about 28 KB of JS code, it has all the...

HTML is great for declaring static documents, but it falters when we try to use it for declaring dynamic views in web-applications. AngularJS lets you extend HTML vocabulary for your application. The resulting...

The Linux kernel is the operating system kernel used by the Linux family of Unix-like operating systems.

Canvas is the new, open-source learning management system that's revolutionizing the way we educate. Easy to learn, easy to use.

A command line utility for compiling a shell script into a binary executable.

Reveal.js is a modern open-source non-linear presentation framework based on HTML5, CSS3 and JavaScript, with cool 3D transition effects, cross-browser support, PDF export, and a WYSIWYG editor at http://rvl.io. ...

SchoolTool is an open source, web based student information system designed for schools in the developing world, with strong support for translation, localization and automated deployment and updates via the Ubuntu...

Master PDF Editor is complete solution for editing PDF and XPS files. You can insert, edit, remove, copy, add images or graphics. Export, import, remove and change page layouts. Also Master PDF Editor provides full...

Haskell is an advanced purely-functional programming language. An open-source product of more than twenty years of cutting-edge research, it allows rapid development of robust, concise, correct software. With strong...

C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines.

C is a general-purpose computer programming language. C is one of the most widely used programming languages of all time.

C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose, powerful programming language. It is regarded as an intermediate-level language, as it comprises a combination of both high-level and...

CoffeeScript is a little language that compiles into JavaScript. Underneath all those awkward braces and semicolons, JavaScript has always had a gorgeous object model at its heart. CoffeeScript is an attempt to expose...

JavaScript (sometimes shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but also used in many non-browser...

Meteor is a set of new technologies for building top-quality web apps in a fraction of the time. It is built around Smart Packages: little bundles of code that can run on a client, inside a cloud service, or both, and...

WebKit is a layout engine designed to allow web browsers to render web pages. WebKit powers the Apple Safari and Google Chrome browsers.

LaTeXDraw is a graphical drawing editor for LaTeX. LaTeXDraw can be used to 1) generate PSTricks code; 2) directly create PDF or PS pictures. LaTeXDraw is developed in Java and thus runs on top of Linux, Windows, and...

impress.js is a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com - an "infinite canvas" for your presentation. Check...

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

YAML 1.2 --- YAML: YAML Ain't Markup Language What It Is: YAML is a human friendly data serialization standard for all programming languages.