Description: Circuit Builder is a free online tool for building and simulating electronic circuits. It allows users to easily create schematics with a drag-and-drop interface and analyze circuit behavior with built-in simulation features.
Type: software
Pricing: Freemium
Description: GoodReader is a popular PDF and document reader app for iOS devices. It provides full annotation support, organizing files into folders, reading PDFs, Office files, text files and more.
Type: software