f.lux is a cross-platform computer program that adjusts a display's color temperature according to location and time of day. Developed by f.lux Software LLC
License: Free
Nocturne is designed for simplicity and ease of use, focusing on effective blue light reduction with a user-friendly interface. In contrast, f.lux offers a more comprehensive set of features, including advanced customization options and integration with other apps, making it suitable for users who need more control over their screen's color temperature.