Playtomic is a set of client and server APIs for game leaderboards, user generated content, and dynamic updates. It began as a hosted service providing tools and analytics for game developers, but is now available for developers to operate on their own. It includes the API server which is written in NodeJS and backed with MongoDB, along with game client APIs for HTML5, Flash, iOS, Android, Windows, and Unity3d games.
papaya CMS is a Web Content Management System based on open standards (including XML, XSLT, PHP, and MySQL/PostgreSQL). It is compatible with almost every operating system, is platform-independent, is multi-lingual, offers great usability, and is easy to extend via its plugin system. It is scalable and perfect for business websites.
Dynamic Form is a Python request abstraction library that lets you write one request handler that will run on multiple Python Web frameworks (such as Django and Google's AppEngine). This allows you to create pages and apps once and use them on multiple projects without concern about which framework is being used. Additionally, it makes AJAX easy. Simply adding nested request classes allows you to define AJAX handlers that can easily be refreshed both sever-side and client-side.
WebElements is a collection of Python objects that enable developers to generate and interact with Web apps on the server side. It encourages object oriented Web site development, and code reuse by separating each DOM element into its own object, and then allowing inheritance and child elements to come together to form new elements not defined in the standard DOM.
GUI Builder is a drag and drop interface for creating WebElement User Interface (WUI) templates that can be used as the foundation of a responsive Wep app. It simplifies the process of designing applications, and encourages separation of the logic and view. It is part of the WebBot Web development framework, which makes it possible to build Web apps in a similar fashion to Qt/KDE apps.