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.

Stack Overflow - Community-based Q&A part of the Stack Exchange platform.

RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.

The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.

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.

Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.