The open source HIDman adapter debuts, for interfacing modern USB peripherals with old PCs by emulating classic PS/2 ...
Luckily, there’s a fully featured free and open source circuit simulation software called Qucs (Quite Universal Circuit Simulator), released under the GPL, that offers a decent alternative to ...
(Editor’s note: the author was confused between the GPL open-source Qucs and the closed-source, binary-only QucsStudio. We’ve cleaned that up.) QucsStudio supports a wide range of circuit ...