Mind Tools provides a rich repository of high-quality, practical, on-demand resources that can help one to become an effective and inspirational manager and leader. It offers articles, podcasts, videos, infographics, quizzes, etc. The skill areas include leadership, strategy, problem solving, decision making, project management, time management, creativity, communication skills, etc. We have used these resources extensively and can vouch for the quality.
The site boasts of helping more than 24 million learners per year. It has over 150,000 paid members and more than half a million subscribers to its free email newsletter. Its android mobile app has been installed on more than one lac mobiles.
The link to this learning resource is http://bit.ly/vnl0023.