XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.