LochMaster is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is KiCad, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to LochMaster and 13 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to LochMaster are Fritzing (Paid, Open Source), VeroRoute (Free, Open Source), Autodesk EAGLE (Free Personal) and LibrePCB (Free, Open Source).
Cross-platform software for Veroboard (stripboard), Perfboard and simple 1-layer or 2-layer PCBs. Connectivity checking & visualisation. Netlist import. Interactive auto-routing. Component editor. Gerber output, or PDF for toner transfer. Tutorial.
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VeroRoute vs LochMaster opinions
Almost everyone thinks VeroRoute is a great alternative to LochMaster.
The gEDA project has produced and continues working on a full GPL'd suite and toolkit of Electronic Design Automation tools. These tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production.
Create so called breadboards (also stripe or perf boards) easilyCreate simple and easy to read schematicsNGSpice integration, thus the ability to simulate the current schematic with NGSpiceA big library of electronic parts with more than 400 pieces and library with 500...
DIY Layout Creator (DIYLC in short) is freeware drawing tool developed with help of a large online community of DIY electronics enthusiasts. It incorporates many ideas that came from people using older versions of the application.