KiCad
KiCad 是一款开源的电子设计自动化(EDA)软件，主要用于电路设计和PCB设计。
主要功能：
- 电路原理图设计
- PCB布局和布线
- 支持3D视图和自动布线
- 兼容多种格式文件
KiCad is an open-source electronic design automation (EDA) software primarily used for circuit design and PCB layout.
Main Features:
- Schematic capture for circuit design
- PCB layout and routing
- Supports 3D view and automatic routing
- Compatible with various file formats for design exchange