https://www.theguardian.com/technology/2020/may/09/20-apps-to-up-your-skills

Want something to show for the weeks you have spent in lockdown? These apps will help you achieve your aims

In early April, one bullish American consultant suggested on Twitter that if people didn’t emerge from coronavirus quarantine having learned a new skill, gained more knowledge or having started something they’d been putting off, then “you didn’t ever lack the time, you lacked the discipline”.