Description: Chess.com is a popular website and app for playing chess online. With over 30 million members, it allows you to play chess games through your web browser or mobile device against opponents of varying skill levels.
Type: software
Description: LimeSurvey is an open source online survey tool for building and publishing online surveys. It allows users to create simple to advanced surveys, add logic like branching, distribute via links, and analyze response data.
Type: software
Pricing: Open Source