Apache is a free and open-source cross-platform web server software.
Joomla is a free and open-source content management system for publishing web content.
OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.
PHP is a general-purpose scripting language used for web development.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.
Windows Server is a brand name for a group of server operating systems.