Apache is a free and open-source cross-platform web server software.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
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.
ReadSpeaker is an intuitive text-to-speech API that converts text into natural-sounding audio files for websites and applications.
Red Hat is an open-source Linux operating system.