iCircuit is an educational and reference application designed to teach users the basics of electrical engineering and circuit design. It provides an intuitive environment for designing, testing and simulating electrical circuits. The app includes an extensive library of components, including resistors, capacitors, transistors, and logic gates. It also provides a range of analysis tools to help users troubleshoot and optimize their designs. Additionally, users can share their creations with other users, or download designs from the app’s library. iCircuit is an effective tool for students, hobbyists, and professionals alike, and is an invaluable resource for learning the fundamentals of electrical engineering.
Discontinued The program seems to be no longer updated. The latest version, 0.9.3b, released in June 2016, can still be downloaded from the official website.