PCB design
- Eagle PCB design https://www.autodesk.com/products/eagle/free-download?plc=F360&term=1-YEAR&support=ADVANCED&quantity=1#internal-link-buy
- Open Source
- Design Spark https://www.rs-online.com/designspark/pcb-software
- EasyEAD https://easyeda.com/
- online https://www.electronics-lab.com/upverter-online-hardware-design-hub/
- PCB Web https://www.pcbweb.com/
- ExpressPCB https://www.expresspcb.com/