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: PDFescape is a free online PDF editor that allows you to view, edit, annotate, fill forms, sign documents, and more with PDF files directly in your web browser. It offers basic PDF editing features for free.
Type: software
Pricing: Freemium