DCACLab is described as «Electronic circuit simulator for STEM works online, Simulate and troubleshoot broken circuits in a rich simulation environment, easy to learn» and is a circuit simulator in the education & reference category. There are more than 10 alternatives to DCACLab, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Android. The best alternative is Circuit JS, which is both free and Open Source. Other great sites and apps similar to DCACLab are QUCS, LTspice, gEDA Project and CircuitLab.DCACLab alternatives are mainly Circuit Simulators but may also be Electronic Design Automation Tools or CAD Software. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of DCACLab.