The Apache Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It is free, open-source software using the permissive MIT License. Web analysis indicates that it is the most widely deployed JavaScript library by a large margin.
Nette Framework is an open-source framework for creating web applications in PHP 5 and 7. It supports AJAX, DRY, KISS, MVC and code reusability. Original author of the framework , but further development is now maintained by the Nette Foundation organization.