<p>➀ LibrePCB is a free, open-source EDA tool integrating schematic design, PCB layout, and manufacturing file export, tailored for makers, students, and small teams;</p><p>➁ Key features include a modular library system, real-time design rule checks, cross-platform compatibility, and direct manufacturing integration, with version 1.3.0 offering enhanced KiCad compatibility and HTML BOM exports;</p><p>➂ Fully licensed under GNU GPLv3 with no hidden costs, it prioritizes accessibility and community-driven development, with major UI and functionality upgrades planned for LibrePCB 2.0.</p>