Description: Screen Filter is an open source software application for Windows, Mac, and Linux that adjusts a computer screen's color temperature to reduce eyestrain. It can lower brightness and filter out blue light to make looking at screens more comfortable, especially at night.
Type: software
Pricing: Freemium
Description: Wolfram Alpha is a computational knowledge engine that allows users to get instant expert-level answers to questions on math, science, and many other topics by typing queries in plain language. It understands and computes answers across many domains.
Type: software