time zone summertime render This is a time zone converter and a world clock that helps you convert two cities or time zones and then compare them to see their current time. This page also allows you to view the local time of most cities in the world
alltime cp This list of top-ranked chess grandmasters is ordered by their peak Elo rating. The cut-off value is 2700 for men players with a rating at or above this value are colloquially known as super grandmasters and 2500 for women
reaction time test PsyToolkit is a free-to-use toolkit for demonstrating, programming, and running cognitive-psychological experiments and surveys, including personality tests. PsyToolkit is frequently used for academic studies, for student projects, and for teaching cognitive and personality psychology
