Description: Skitch is a free screenshot annotation and editing tool for Mac and iOS. It allows you to quickly markup, crop, and share images and screenshots.
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