Description: KiCad is an open source electronics design automation software suite used for schematic capture, printed circuit board design, and more. It is cross-platform and licensed under GNU GPL v3.
Type: software
Pricing: Open Source
Description: Quora is a popular question-and-answer website where users can post questions and get answers from a community of experts and other knowledgeable people. Its focus is on gaining and sharing knowledge.
Type: software