Magmi is a mass importer for the Magento e-commerce system. It is most useful when you need to import a big product catalog into Magento, even one with several millions of articles. Moreover, it has many capabilities concerning input data manipulation and an open and flexible plugin model for adding new capabilities.
Magento Blog is an extension that provides blog functionality for Magento. It features RSS integrated with the native RSS feed, multi-store RSS, the ability to switch the blog on/off blog for different stores, a latest posts widget, switchable category ID in the blog post URL, a switchable categories menu, tags, and an option to have comments per page.
Turpentine is a Magento extension to improve Magento's compatibility with Varnish, a very fast caching reverse proxy. By default, Varnish doesn't cache requests with cookies, and Magento sends the frontend cookie with every request, causing a (near) zero hit rate for Varnish's cache. Turpentine provides Varnish configuration files (VCLs) to work with Magento and modifies Magento's behavior to significantly improve the cache hit rate.
Magento Extension For IP Restrictions allows merchants using Magento websites to block users from accessing a particular product page or a whole site. A customized message can be added and displayed to users from a blocked location trying to access an IP-restricted URL. It can redirect the customer from a particular country to a desired URL.
Magento News And Press Release Extension enables Magento merchants to publish blogs, news, and articles related to their companies, products, and services. Each press release, blog, and article can be optimized for search engine ranking, which helps in generating more traffic for the website.