simulator.io is an online CAD tool for logic circuits. Easiest way to learn how to build logic circuits.

Hradla is described as 'Logical Network Editor that runs in your browser. Currently supports basic gates using boolean logic, smart wire routing and network simulation. The simplicity allows to quickly understand the principles of binary logic and simple circuit design' and is a circuit simulator in the education & reference category. There are more than 10 alternatives to Hradla for a variety of platforms, including Windows, Linux, Mac, Web-based and Flathub apps. The best Hradla alternative is Logisim, which is both free and Open Source. Other great apps like Hradla are BOOLR, Logisim Evolution, Digital Logic Sim and Digital.
simulator.io is an online CAD tool for logic circuits. Easiest way to learn how to build logic circuits.
