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 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.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.