Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
f.lux - f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
CareUEyes - CareUEyes is an eye protection software for windows that comes with blue light filter, screen dimmer, and break reminder
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
Dimmer - A very small and free utility for Windows to reduce brightness on LCD/TFT screens.