CircuitMaker is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The best Linux alternative is KiCad, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to CircuitMaker and eight of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to CircuitMaker are Fritzing (Paid, Open Source), LibrePCB (Free, Open Source), Autodesk EAGLE (Free Personal) and Circuit Simulator (CircuitJS1) (Free, Open Source).
This electronic circuit simulator is highly interactive giving the feeling of playing with real components. It's very helpful for experimentation and visualization. It's a desktop version of the Circuit Simulator.
The gEDA project has produced and continues working on a full GPL'd suite and toolkit of Electronic Design Automation tools. These tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production.
eSim (previously known as Oscad / FreeEDA) is an open source EDA tool for circuit design, simulation, analysis and PCB design. It is an integrated tool built using open source software such as KiCad and...