Free PCB design software with pro features and community collaboration
CircuitMaker is a free community-driven PCB tool from Altium with version control and large component database. It offers collaboration features but minimal AI assistance compared with SnapMagic's auto-complete and conversational capabilities. Supply-chain data is available through community parts yet lacks automated shortage replacement. Hobbyists and open-source hardware developers frequently select it when cost is zero and advanced AI is not required.
Free

Proven RF wireless power technology for distance charging of IoT, retail, and enterprise devices.

Real-time data platform for caching, search, and AI agents

Open-source Node.js framework for real-time multiplayer games with state sync and multi-engine SDKs.