Free Software
Lisp
A family of programming languages dating back to 1958. Lisp is the second-oldest high-level programming language in widespread use today.
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.
Baidu Browser
Baidu Browser, previously known as Baidu Spark, is a Chromium-based web browser. The browser utilize the same engine as Google Crhome while providing and attractive UI, changeable skins, video download and screenshot capture and seamless integrations with social networks like Facebook.
Midori
Midori is a free and open-source web browser based on GTK and Webkit. The browser is lightweight and fast that works cross-platform.
Cython
Cython is a free and open-source optimising static compiler and a superset of the programming language Python. Cython is designed to give C-like performance for code written with Python. The language also provides an optional C-inspired syntax and the ability to create CPython extension modules.
Hack
Developed by Facebook as free and open-source dialect of PHP, Hack is a programming language for the HipHop Virtual Machine. Hack is licensed under the MIT License and allows developers to use both dynamic typing and static typing.
Vala
A free and open object-oriented programming language with a self-hosting compiler that generates C code. Vala uses the GObject system and is syntactically similar to C# while introducing unique features like functions, signals, properties, generics, assisted memory management, exception handling, type inference, and foreach statements. Vala makes it simple to target the GNOME stack and is also used for writing applications to the operating system elementary OS.
Perl
Perl is a family high-level, general-purpose, interpreted, dynamic programming languages. The project is open-source and has been in community development for over 30 years. Perl is a highly capable language and feature rich language with over 25,000 community created extensions.