Catharsis.NET.Commons is a library of extensions for many common .NET types. It can significantly speed up your daily .NET development tasks, relieving you of writing boilerplate code. It implements the popular fluent-kind interface approach and allows many tasks to be performed in a single line of code with joined method calls.
Dynace is a portable extension to the C language which adds object-oriented facilities, including classes with multiple-inheritance, a meta-object protocol, dynamic dispatching via generic functions, a garbage collector, threads, and an extensive class library, including an optional GUI library. It has complete documentation and a tutorial.
Magento Knowledge Base extension has been developed by Fme that adds an FAQ section to each product page. It allows visitors to ask questions on the same product page under the FAQ tab, and merchants can answer those questions in accordion style, thus creating a pool of questions and answers which serve as a knowledge base for new visitors. Along with a FAQ for each product page, the extension creates a separate FAQ page for general Website questions related to shipping, payment, delivery, packaging etc. Other features include easy single click installation, SEO-friendly URLs, five different styles of the “ask a question” form and page, and CAPTCHA support.
One Step Checkout is a Prestashop module that reduces the checkout experience from six steps to one. It is quick, elegant, and easy to manage, and also allows customers to communicate with store owner through a comment box as well as create an account from the checkout page. The checkout page can be edited and styled.