Software
Ember.js
Ember.js is a productive, battle-tested JavaScript framework for building modern web applications. It includes everything you need to build rich UIs that work on any device. With Ember.js you can create client side JavaScript applications with a complete solution which contains data management and an application flow. Ember.js is developed and released as free and open source software under the MIT License.
Ajenti
Anjeti is an server administration tool and control panel for server management. It provides you with a fast and secure way to manage a remote Linux box at any time using everyday tools like a web terminal, text editor, file manager and others.
AnonAddy
Create unlimited aliases for free. Protect your email from spam using disposable addresses. Encrypt forwarded emails with PGP encryption using this service.
Haskell
Haskell is a free and open-source purely-functional programming language. The language has been around since the 1990's and has pioneered a number of advanced programming language features such as type classes, which enable type-safe operator overloading. Haskell is an open-source project of more than twenty years of scientific research and provides built-in concurrency and parallelism, debuggers, profilers and rich libraries that can be used to build robust applications while following functional programming patterns.
DrJava
DrJava is a lightweight programming environment specifically designed for writing Java. Through its design the IDE foster test-driven software development that leads to scalable and maintainable Java applicaitons. DrJava includes an intelligent program editor, an interactions pane for evaluating program text, a source level debugger, a unit testing tool, and a new code coverage tool.
MonoDevelop
MonoDevelop is a free and open-source IDE (Integrated Development Environment) for macOS, Linux and Windows. The software primary focus is to provide and IDE specifically for Mono and .NET frameworks. MonoDevelop features intellisense automatic code completion, source control, a graphical user interface.
Plasma Mobile
Plasma Mobile is a free and open-source, Linux-based user interface for phones. The project aims to a complete software system for mobile devices that is designed from the ground up to give users control over their information and communication. Plasma Mobile takes a pragmatic approach and is inclusive to 3rd party software, allowing the user to choose which applications and services to use.