4 layers77.2 × 86.4 mm

Mad RP2040
Cimos/etchy
Fast, trustworthy PCB visual and geometric diff tool (Rust). Successor to gerber-diff.
117 parts1Apache-2.0
KiCad boards from 2 GitHub repositories tagged “excellon”, the most starred first; open any of them in PCBKit.

Cimos/etchy
Fast, trustworthy PCB visual and geometric diff tool (Rust). Successor to gerber-diff.

kitecraft/PCB_MillBurn
A cross platform application for converting Gerber files into G-Code and SVG files for milling and/or laser engravers.