Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
A powerful Android chart view / graph view library, supporting line- bar- pie- radar- and candlestick charts as well as scaling, dragging and animations.
[http://forums.orionjs.org] Orion is a simple and powerful CMS for meteor that allows you to build simple or complex websites with powerful admin panels in minutes.
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Ufront is a powerful MVC web framework for Haxe. It gives you quick development, shared code on the client and server, powerful extensibility, easy testing, and targets PHP or Neko. This is the mothership repo - most of the actual code is contained in the other ufront repos, such as ufront-mvc.
Lightweight and powerful data binding + templating solution
The most flexible and powerful way to build a form on iOS
Typo is the oldest and most powerful Ruby on Rails blogware, providing custom templates, powerful drag and drop plugins API, advanced SEO capabilities, XMLRPC API and many more.
WP Awesome Support is a simple yet powerful ticketing plugin for WordPress.
A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired)
A powerful library for creating notifications in android platform.
A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Rails 3 and 4
PrototypeJS based Sleek, intuitive, and powerful front-end framework for faster and easier web development.
A powerful, extensible, flexible, cross-browser rich text editor
Cerebellum.js is a powerful set of tools that help you structure your isomorphic apps, just add your preferred view engine.
CuraEngine is a powerful, fast and robust engine for processing 3D models into 3D printing instruction for Ultimaker and other GCode based 3D printers. It is part of the larger open source project called "Cura".
Simple, flexible and powerful Model-View binding for Backbone.
Code coverage for Ruby 1.9+ with a powerful configuration library and automatic merging of coverage across test suites
SEOstats is a powerful open source PHP library to request a bunch of SEO relevant metrics.
Karabiner (KeyRemap4MacBook) is a powerful utility for keyboard customization.
Mongorilla is a simple, clean, and powerful NodeJS based content moderator for MongoDB.
A powerful yet easy-to-use PHP micro-framework designed to help you build dynamic and robust Web applications - fast!
Simple, extensible and powerful one stop personal assistant
A powerful, scalable PHP5 application framework that follows the MVC paradigm
Maxmertkit, powerful, most customizable and easiest for usage mobile first front-end framework for web-development.
A powerful, easy to use heuristic search library implemented in pure java for solving Artificial Intelligence problems.
Sleek, intuitive, and powerful front-end framework for faster and easier web development.
Apify is a small and powerful open source library that delivers new levels of developer productivity by simplifying the creation of RESTful architectures. It helps development teams deliver quality web services and applications in reduced amounts of time. If you are familiar with the Zend Framework, then you already know how to use Apify.