MathJax is an open-source JavaScript display engine for LaTeX, MathML, and AsciiMath notation that works in all modern browsers. It was designed with the goal of consolidating the recent advances in web technologies into a single, definitive, math-on-the-web platform supporting the major browsers and operating systems. It requires no setup on the part of the user (no plugins to download or software to install), so the page author can write web documents that include mathematics and be confident that users will be able to view it naturally and easily. Simply include MathJax and some mathematics in a web page, and MathJax does the rest.

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

Free, open source C++ library, offering some basic functionality to build high-performing, platform-independent programs. Some of the highlights include:

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

Petl is a general purpose Python package for extracting, transforming and loading tables of data.

node-node-pty provides forkpty bindings for node.js. This allows one to fork processes with pseudoterminal file descriptors. It returns a terminal object which allows reads and writes. This is useful for: * Writing a terminal emulator * Getting certain programs to think they are in a terminal