Logiak vs PDFpen
A side-by-side look at Logiak and PDFpen. For an in-depth review of either product, follow the links below.
Logiak
Development
Logiak is an open-source logic circuit simulator and digital logic circuit designer application. It allows users to easily design, test and simulate logic circuits and components such as gates, flip flops, etc.
logiccircuitsimulationopensource
PDFpen
Office & Productivity
PDFpen is a PDF editing software for Mac that allows users to easily edit, annotate, and sign PDF documents. It has tools for adding text, images, signatures, highlights, shapes, and more to PDFs.
pdfeditorannotateeditmac