Description: Codewars is an educational community for computer programming. It offers code challenges known as kata which are ranked by difficulty. Users train on these coding challenges to improve their skills.
Type: software
Description: Twilight is a free open source software that adjusts your screen to reduce eye strain. It makes the color of your screen adapt to the time of day, reducing the amount of blue light emitted. This helps prevent disruption of your circadian rhythms and improves sleep.
Type: software
Pricing: Open Source